[分享] 解壓縮zip檔,產生亂碼,如何解決的心得 [論壇 - Ubuntu 與工具程式及軟體推薦]


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回覆: [分享] 解壓縮zip檔,產生亂碼,如何解決的心得
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samwhelp 寫到:
另外還有寫好的「shell script」,以及「Python版」。可以參考。


我參照你提供的連結「shell script」改寫了個小程式,搭配 caja-actions (或你也可以搭配 nautilus-actions)

caja-actions 裡的設定
新增一個 New Action==>右邊的Action頁面==>Context label:填入:"7z中文解壓"==>右邊的Command頁面== Path:填入 /home/user/scripts/7zch.sh ==>Parameters:填入 %b %w ==>按 Ctrl+s 存檔離開。

說明:這裡%b 代表 basename(純檔案名稱) 而 %w 代表去除副檔名的檔案名稱

7zch.sh 內容
===========================
#!/bin/bash
#說明: 解決big5中文檔名解壓後檔名亂碼的問題
#需求套件:需安裝 7z 和 convmv

file=$1
path=$2

mkdir -p $path
LANG=zh_TW.BIG-5 7z e -y -o"$path" "$file" 2>/dev/null
(cd "$path" && convmv -f BIG5 -t UTF-8 --notest --replace * )

===========================
我上面的程式碼修改後,就不限定只能解壓 zip 檔, 其它凡是7z有支援解壓縮的格式都可以。
問題是,限制只能處理 big5 的中文檔名,無法自動判斷gb2312 or gbk 簡體中文,若能夠做到自動判斷編碼的話,那麼這個程式就完美的解決了中文檔名亂碼的問題了。

2014/10/13 17:23
應用擴展 工具箱
回覆: [分享] 解壓縮zip檔,產生亂碼,如何解決的心得
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看到了這篇「討論」的其中一個回覆,

提到了兩個指令,「lsar」和「unar」。

做了一些研究,紀錄如下:

以下是在「Ubuntu 18.04」的環境下測試。

================================================================================

## 查詢相關套件

幾個參考指令如下


$ apt-file search unar

$ apt-file search lsar

$ apt-cache search unar

$ apt-cache search lsar



可以找到套件「unar」。

================================================================================

## 安裝


$ sudo apt-get install unar



================================================================================

## 相關檔案

執行


$ dpkg -L unar



顯示


/.
/usr
/usr/bin
/usr/bin/lsar
/usr/bin/unar
/usr/share
/usr/share/bash-completion
/usr/share/bash-completion/completions
/usr/share/bash-completion/completions/unar
/usr/share/doc
/usr/share/doc/unar
/usr/share/doc/unar/TODO.Debian
/usr/share/doc/unar/changelog.Debian.gz
/usr/share/doc/unar/copyright
/usr/share/man
/usr/share/man/man1
/usr/share/man/man1/lsar.1.gz
/usr/share/man/man1/unar.1.gz




執行


$ dpkg -L unar | grep '/man/man.*/'



顯示


/usr/share/man/man1/lsar.1.gz
/usr/share/man/man1/unar.1.gz



## Manpage

* $ man lsar
* $ man unar

================================================================================

## 操作範例檔案

一樣用「#1」提到的範例檔案來做測試


執行下面指令下載


$ wget -c http://www.cns11643.gov.tw/AIDB/Open_Data.zip



會下載一個檔案「Open_Data.zip」。

================================================================================

## 指令範例 - 基本操作

================================================================================

### 觀看 Open_Data.zip

執行


$ lsar Open_Data.zip



顯示


Open_Data.zip: Zip
Open_Data/
Open_Data/Fonts/
Open_Data/Fonts/png_24x24.zip
Open_Data/Fonts/TW-Kai-98_1.ttf
Open_Data/Fonts/TW-Kai-Ext-B-98_1.ttf
Open_Data/Fonts/TW-Kai-Plus-98_1.ttf
Open_Data/Fonts/TW-Sung-98_1.ttf
Open_Data/Fonts/TW-Sung-Ext-B-98_1.ttf
Open_Data/Fonts/TW-Sung-Plus-98_1.ttf
Open_Data/Fonts/全字庫字型說明文件.txt
Open_Data/MapingTables/
Open_Data/MapingTables/Big5/
Open_Data/MapingTables/Big5/CNS2BIG5.txt
Open_Data/MapingTables/Big5/CNS2BIG5_Big5E.txt
Open_Data/MapingTables/Big5/CNS2BIG5_七個倚天外字.txt
Open_Data/MapingTables/Big5/CNS2BIG5_符號.txt
Open_Data/MapingTables/CNS2DCI.txt
Open_Data/MapingTables/CNS2FIN.txt
Open_Data/MapingTables/CNS2INC.txt
Open_Data/MapingTables/CNS2TAX.txt
Open_Data/MapingTables/Unicode/
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 15.txt
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 2.txt
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode BMP.txt
Open_Data/MapingTables/全字庫中文對照表說明文件.txt
Open_Data/MapingTables/地政/
Open_Data/MapingTables/地政/南投縣.txt
Open_Data/MapingTables/地政/台中市.txt
Open_Data/MapingTables/地政/台中縣.txt
Open_Data/MapingTables/地政/台北市.txt
Open_Data/MapingTables/地政/台北縣.txt
Open_Data/MapingTables/地政/台南市.txt
Open_Data/MapingTables/地政/台南縣.txt
Open_Data/MapingTables/地政/台東縣.txt
Open_Data/MapingTables/地政/嘉義市.txt
Open_Data/MapingTables/地政/嘉義縣.txt
Open_Data/MapingTables/地政/基隆市.txt
Open_Data/MapingTables/地政/宜蘭縣.txt
Open_Data/MapingTables/地政/屏東縣.txt
Open_Data/MapingTables/地政/彰化縣.txt
Open_Data/MapingTables/地政/新竹市.txt
Open_Data/MapingTables/地政/新竹縣.txt
Open_Data/MapingTables/地政/桃園縣.txt
Open_Data/MapingTables/地政/澎湖縣.txt
Open_Data/MapingTables/地政/花蓮縣.txt
Open_Data/MapingTables/地政/苗栗縣.txt
Open_Data/MapingTables/地政/連江縣.txt
Open_Data/MapingTables/地政/金門縣.txt
Open_Data/MapingTables/地政/雲林縣.txt
Open_Data/MapingTables/地政/高雄市.txt
Open_Data/MapingTables/地政/高雄縣.txt
Open_Data/Properties/
Open_Data/Properties/CNS_cangjie.txt
Open_Data/Properties/CNS_component.txt
Open_Data/Properties/CNS_component_word.txt
Open_Data/Properties/CNS_component_word.zip
Open_Data/Properties/CNS_phonetic.txt
Open_Data/Properties/CNS_pinyin.txt
Open_Data/Properties/CNS_radical.txt
Open_Data/Properties/CNS_radical_word.txt
Open_Data/Properties/CNS_stroke.txt
Open_Data/Properties/CNS_strokes_sequence.txt
Open_Data/Properties/全字庫屬性資料說明文件.txt
Open_Data/資料更新說明.txt



================================================================================

### 解開 「Open_Data.zip」

執行


$ unar Open_Data.zip



顯示


Open_Data.zip: Zip
  Open_Data/  (dir)... OK.
  Open_Data/Fonts/  (dir)... OK.
  Open_Data/Fonts/png_24x24.zip  (130052362 B)... OK.
  Open_Data/Fonts/TW-Kai-98_1.ttf  (52424436 B)... OK.
  Open_Data/Fonts/TW-Kai-Ext-B-98_1.ttf  (65114368 B)... OK.
  Open_Data/Fonts/TW-Kai-Plus-98_1.ttf  (33131548 B)... OK.
  Open_Data/Fonts/TW-Sung-98_1.ttf  (35743060 B)... OK.
  Open_Data/Fonts/TW-Sung-Ext-B-98_1.ttf  (67100540 B)... OK.
  Open_Data/Fonts/TW-Sung-Plus-98_1.ttf  (29473908 B)... OK.
  Open_Data/Fonts/全字庫字型說明文件.txt  (632 B)... OK.
  Open_Data/MapingTables/  (dir)... OK.
  Open_Data/MapingTables/Big5/  (dir)... OK.
  Open_Data/MapingTables/Big5/CNS2BIG5.txt  (156611 B)... OK.
  Open_Data/MapingTables/Big5/CNS2BIG5_Big5E.txt  (47447 B)... OK.
  Open_Data/MapingTables/Big5/CNS2BIG5_七個倚天外字.txt  (83 B)... OK.
  Open_Data/MapingTables/Big5/CNS2BIG5_符號.txt  (5303 B)... OK.
  Open_Data/MapingTables/CNS2DCI.txt  (196288 B)... OK.
  Open_Data/MapingTables/CNS2FIN.txt  (261769 B)... OK.
  Open_Data/MapingTables/CNS2INC.txt  (63837 B)... OK.
  Open_Data/MapingTables/CNS2TAX.txt  (261553 B)... OK.
  Open_Data/MapingTables/Unicode/  (dir)... OK.
  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 15.txt  (280284 B)... OK.
  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 2.txt  (658838 B)... OK.
  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode BMP.txt  (473203 B)... OK.
  Open_Data/MapingTables/全字庫中文對照表說明文件.txt  (2656 B)... OK.
  Open_Data/MapingTables/地政/  (dir)... OK.
  Open_Data/MapingTables/地政/南投縣.txt  (19019 B)... OK.
  Open_Data/MapingTables/地政/台中市.txt  (20296 B)... OK.
  Open_Data/MapingTables/地政/台中縣.txt  (20660 B)... OK.
  Open_Data/MapingTables/地政/台北市.txt  (51904 B)... OK.
  Open_Data/MapingTables/地政/台北縣.txt  (51836 B)... OK.
  Open_Data/MapingTables/地政/台南市.txt  (15253 B)... OK.
  Open_Data/MapingTables/地政/台南縣.txt  (36507 B)... OK.
  Open_Data/MapingTables/地政/台東縣.txt  (22447 B)... OK.
  Open_Data/MapingTables/地政/嘉義市.txt  (9163 B)... OK.
  Open_Data/MapingTables/地政/嘉義縣.txt  (26655 B)... OK.
  Open_Data/MapingTables/地政/基隆市.txt  (6544 B)... OK.
  Open_Data/MapingTables/地政/宜蘭縣.txt  (39068 B)... OK.
  Open_Data/MapingTables/地政/屏東縣.txt  (26638 B)... OK.
  Open_Data/MapingTables/地政/彰化縣.txt  (33564 B)... OK.
  Open_Data/MapingTables/地政/新竹市.txt  (4546 B)... OK.
  Open_Data/MapingTables/地政/新竹縣.txt  (3514 B)... OK.
  Open_Data/MapingTables/地政/桃園縣.txt  (22223 B)... OK.
  Open_Data/MapingTables/地政/澎湖縣.txt  (26779 B)... OK.
  Open_Data/MapingTables/地政/花蓮縣.txt  (816 B)... OK.
  Open_Data/MapingTables/地政/苗栗縣.txt  (6588 B)... OK.
  Open_Data/MapingTables/地政/連江縣.txt  (330 B)... OK.
  Open_Data/MapingTables/地政/金門縣.txt  (4018 B)... OK.
  Open_Data/MapingTables/地政/雲林縣.txt  (34584 B)... OK.
  Open_Data/MapingTables/地政/高雄市.txt  (17958 B)... OK.
  Open_Data/MapingTables/地政/高雄縣.txt  (32893 B)... OK.
  Open_Data/Properties/  (dir)... OK.
  Open_Data/Properties/CNS_cangjie.txt  (1324233 B)... OK.
  Open_Data/Properties/CNS_component.txt  (2074497 B)... OK.
  Open_Data/Properties/CNS_component_word.txt  (4950 B)... OK.
  Open_Data/Properties/CNS_component_word.zip  (349210 B)... OK.
  Open_Data/Properties/CNS_phonetic.txt  (1934752 B)... OK.
  Open_Data/Properties/CNS_pinyin.txt  (48009 B)... OK.
  Open_Data/Properties/CNS_radical.txt  (1058104 B)... OK.
  Open_Data/Properties/CNS_radical_word.txt  (2199 B)... OK.
  Open_Data/Properties/CNS_stroke.txt  (996851 B)... OK.
  Open_Data/Properties/CNS_strokes_sequence.txt  (2125144 B)... OK.
  Open_Data/Properties/全字庫屬性資料說明文件.txt  (3523 B)... OK.
  Open_Data/資料更新說明.txt  (1447 B)... OK.
Successfully extracted to "./Open_Data".



================================================================================

## 指令範例 - 其他操作

================================================================================

### 顯示編碼

執行


$ lsar -pe Open_Data.zip



顯示


Open_Data.zip: Zip
Open_Data/
Open_Data/Fonts/
Open_Data/Fonts/png_24x24.zip
Open_Data/Fonts/TW-Kai-98_1.ttf
Open_Data/Fonts/TW-Kai-Ext-B-98_1.ttf
Open_Data/Fonts/TW-Kai-Plus-98_1.ttf
Open_Data/Fonts/TW-Sung-98_1.ttf
Open_Data/Fonts/TW-Sung-Ext-B-98_1.ttf
Open_Data/Fonts/TW-Sung-Plus-98_1.ttf
Open_Data/Fonts/全字庫字型說明文件.txt
Open_Data/MapingTables/
Open_Data/MapingTables/Big5/
Open_Data/MapingTables/Big5/CNS2BIG5.txt
Open_Data/MapingTables/Big5/CNS2BIG5_Big5E.txt
Open_Data/MapingTables/Big5/CNS2BIG5_七個倚天外字.txt
Open_Data/MapingTables/Big5/CNS2BIG5_符號.txt
Open_Data/MapingTables/CNS2DCI.txt
Open_Data/MapingTables/CNS2FIN.txt
Open_Data/MapingTables/CNS2INC.txt
Open_Data/MapingTables/CNS2TAX.txt
Open_Data/MapingTables/Unicode/
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 15.txt
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 2.txt
Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode BMP.txt
Open_Data/MapingTables/全字庫中文對照表說明文件.txt
Open_Data/MapingTables/地政/
Open_Data/MapingTables/地政/南投縣.txt
Open_Data/MapingTables/地政/台中市.txt
Open_Data/MapingTables/地政/台中縣.txt
Open_Data/MapingTables/地政/台北市.txt
Open_Data/MapingTables/地政/台北縣.txt
Open_Data/MapingTables/地政/台南市.txt
Open_Data/MapingTables/地政/台南縣.txt
Open_Data/MapingTables/地政/台東縣.txt
Open_Data/MapingTables/地政/嘉義市.txt
Open_Data/MapingTables/地政/嘉義縣.txt
Open_Data/MapingTables/地政/基隆市.txt
Open_Data/MapingTables/地政/宜蘭縣.txt
Open_Data/MapingTables/地政/屏東縣.txt
Open_Data/MapingTables/地政/彰化縣.txt
Open_Data/MapingTables/地政/新竹市.txt
Open_Data/MapingTables/地政/新竹縣.txt
Open_Data/MapingTables/地政/桃園縣.txt
Open_Data/MapingTables/地政/澎湖縣.txt
Open_Data/MapingTables/地政/花蓮縣.txt
Open_Data/MapingTables/地政/苗栗縣.txt
Open_Data/MapingTables/地政/連江縣.txt
Open_Data/MapingTables/地政/金門縣.txt
Open_Data/MapingTables/地政/雲林縣.txt
Open_Data/MapingTables/地政/高雄市.txt
Open_Data/MapingTables/地政/高雄縣.txt
Open_Data/Properties/
Open_Data/Properties/CNS_cangjie.txt
Open_Data/Properties/CNS_component.txt
Open_Data/Properties/CNS_component_word.txt
Open_Data/Properties/CNS_component_word.zip
Open_Data/Properties/CNS_phonetic.txt
Open_Data/Properties/CNS_pinyin.txt
Open_Data/Properties/CNS_radical.txt
Open_Data/Properties/CNS_radical_word.txt
Open_Data/Properties/CNS_stroke.txt
Open_Data/Properties/CNS_strokes_sequence.txt
Open_Data/Properties/全字庫屬性資料說明文件.txt
Open_Data/資料更新說明.txt
Encoding: Big5 (99% confidence)



稍微看了一下「unar」的原始碼,是使用「Objective-C」寫成的,
偵測編碼的部份是「C++」,
之前在「#4」裡面的「jserv這篇文章」有提到
一些相關的專案也有使用到


* https://github.com/Joungkyun/libchardet (Package: libchardet-dev) (HOME)
* https://github.com/BYVoid/uchardet (Package: libuchardet-dev) (HOME)

================================================================================

執行


$ lsar -l Open_Data.zip



顯示


Open_Data.zip: Zip
     Flags  File size   Ratio  Mode  Date       Time   Name
     =====  ==========  =====  ====  ========== =====  ====
  0. D----           0  -----  None  2016-12-06 15:54  Open_Data/
  1. D----           0  -----  None  2016-12-06 17:53  Open_Data/Fonts/
  2. -----   130052362  24.1%  Defl  2018-08-30 19:59  Open_Data/Fonts/png_24x24.zip
  3. -----    52424436  50.9%  Defl  2018-08-10 09:33  Open_Data/Fonts/TW-Kai-98_1.ttf
  4. -----    65114368  47.3%  Defl  2018-08-03 16:41  Open_Data/Fonts/TW-Kai-Ext-B-98_1.ttf
  5. -----    33131548  49.7%  Defl  2018-08-30 19:56  Open_Data/Fonts/TW-Kai-Plus-98_1.ttf
  6. -----    35743060  50.6%  Defl  2018-08-10 09:32  Open_Data/Fonts/TW-Sung-98_1.ttf
  7. -----    67100540  48.2%  Defl  2018-08-02 18:10  Open_Data/Fonts/TW-Sung-Ext-B-98_1.ttf
  8. -----    29473908  49.0%  Defl  2018-08-30 19:57  Open_Data/Fonts/TW-Sung-Plus-98_1.ttf
  9. -----         632  63.9%  Defl  2017-10-16 15:32  Open_Data/Fonts/全字庫字型說明文件.txt
 10. D----           0  -----  None  2018-07-31 19:24  Open_Data/MapingTables/
 11. D----           0  -----  None  2018-08-03 16:52  Open_Data/MapingTables/Big5/
 12. -----      156611  77.9%  Defl  2018-08-02 19:37  Open_Data/MapingTables/Big5/CNS2BIG5.txt
 13. -----       47447  76.1%  Defl  2018-08-02 19:37  Open_Data/MapingTables/Big5/CNS2BIG5_Big5E.txt
 14. -----          83  32.5%  Defl  2018-08-02 19:37  Open_Data/MapingTables/Big5/CNS2BIG5_七個倚天外字.txt
 15. -----        5303  76.7%  Defl  2018-08-02 19:37  Open_Data/MapingTables/Big5/CNS2BIG5_符號.txt
 16. -----      196288  70.3%  Defl  2018-08-03 17:29  Open_Data/MapingTables/CNS2DCI.txt
 17. -----      261769  74.3%  Defl  2018-08-03 17:42  Open_Data/MapingTables/CNS2FIN.txt
 18. -----       63837  67.2%  Defl  2018-08-03 17:47  Open_Data/MapingTables/CNS2INC.txt
 19. -----      261553  69.5%  Defl  2018-08-03 18:00  Open_Data/MapingTables/CNS2TAX.txt
 20. D----           0  -----  None  2018-08-03 16:52  Open_Data/MapingTables/Unicode/
 21. -----      280284  80.3%  Defl  2018-08-30 20:42  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 15.txt
 22. -----      658838  75.9%  Defl  2018-08-30 20:42  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode 2.txt
 23. -----      473203  73.0%  Defl  2018-08-30 20:41  Open_Data/MapingTables/Unicode/CNS2UNICODE_Unicode BMP.txt
 24. -----        2656  80.4%  Defl  2018-08-03 18:11  Open_Data/MapingTables/全字庫中文對照表說明文件.txt
 25. D----           0  -----  None  2018-08-03 16:52  Open_Data/MapingTables/地政/
 26. -----       19019  63.9%  Defl  2018-08-03 18:45  Open_Data/MapingTables/地政/南投縣.txt
 27. -----       20296  63.2%  Defl  2018-08-03 18:14  Open_Data/MapingTables/地政/台中市.txt
 28. -----       20660  63.0%  Defl  2018-08-03 18:16  Open_Data/MapingTables/地政/台中縣.txt
 29. -----       51904  63.9%  Defl  2018-08-03 18:39  Open_Data/MapingTables/地政/台北市.txt
 30. -----       51836  64.0%  Defl  2018-08-03 18:35  Open_Data/MapingTables/地政/台北縣.txt
 31. -----       15253  63.1%  Defl  2018-08-03 18:38  Open_Data/MapingTables/地政/台南市.txt
 32. -----       36507  63.2%  Defl  2018-08-03 18:39  Open_Data/MapingTables/地政/台南縣.txt
 33. -----       22447  63.9%  Defl  2018-08-03 18:36  Open_Data/MapingTables/地政/台東縣.txt
 34. -----        9163  62.8%  Defl  2018-08-03 18:59  Open_Data/MapingTables/地政/嘉義市.txt
 35. -----       26655  63.3%  Defl  2018-08-03 19:01  Open_Data/MapingTables/地政/嘉義縣.txt
 36. -----        6544  63.3%  Defl  2018-08-03 18:54  Open_Data/MapingTables/地政/基隆市.txt
 37. -----       39068  65.8%  Defl  2018-08-03 18:41  Open_Data/MapingTables/地政/宜蘭縣.txt
 38. -----       26638  63.5%  Defl  2018-08-03 18:46  Open_Data/MapingTables/地政/屏東縣.txt
 39. -----       33564  64.4%  Defl  2018-08-03 19:02  Open_Data/MapingTables/地政/彰化縣.txt
 40. -----        4546  62.3%  Defl  2018-08-03 18:57  Open_Data/MapingTables/地政/新竹市.txt
 41. -----        3514  61.2%  Defl  2018-08-03 18:58  Open_Data/MapingTables/地政/新竹縣.txt
 42. -----       22223  63.1%  Defl  2018-08-03 18:49  Open_Data/MapingTables/地政/桃園縣.txt
 43. -----       26779  63.3%  Defl  2018-08-03 19:04  Open_Data/MapingTables/地政/澎湖縣.txt
 44. -----         816  54.9%  Defl  2018-08-03 18:42  Open_Data/MapingTables/地政/花蓮縣.txt
 45. -----        6588  61.7%  Defl  2018-08-03 18:47  Open_Data/MapingTables/地政/苗栗縣.txt
 46. -----         330  56.4%  Defl  2018-08-03 18:55  Open_Data/MapingTables/地政/連江縣.txt
 47. -----        4018  62.6%  Defl  2018-08-03 18:43  Open_Data/MapingTables/地政/金門縣.txt
 48. -----       34584  63.2%  Defl  2018-08-03 18:56  Open_Data/MapingTables/地政/雲林縣.txt
 49. -----       17958  62.5%  Defl  2018-08-03 18:50  Open_Data/MapingTables/地政/高雄市.txt
 50. -----       32893  63.9%  Defl  2018-08-03 18:52  Open_Data/MapingTables/地政/高雄縣.txt
 51. D----           0  -----  None  2018-08-17 14:31  Open_Data/Properties/
 52. -----     1324233  66.4%  Defl  2018-08-30 20:39  Open_Data/Properties/CNS_cangjie.txt
 53. -----     2074497  71.8%  Defl  2018-08-30 20:38  Open_Data/Properties/CNS_component.txt
 54. -----        4950  70.2%  Defl  2017-10-16 15:29  Open_Data/Properties/CNS_component_word.txt
 55. -----      349210  15.2%  Defl  2016-06-27 16:59  Open_Data/Properties/CNS_component_word.zip
 56. -----     1934752  78.1%  Defl  2018-08-30 20:37  Open_Data/Properties/CNS_phonetic.txt
 57. -----       48009  73.7%  Defl  2018-07-31 17:52  Open_Data/Properties/CNS_pinyin.txt
 58. -----     1058104  82.2%  Defl  2018-08-30 20:37  Open_Data/Properties/CNS_radical.txt
 59. -----        2199  49.9%  Defl  2018-07-31 17:52  Open_Data/Properties/CNS_radical_word.txt
 60. -----      996851  84.6%  Defl  2018-08-30 20:35  Open_Data/Properties/CNS_stroke.txt
 61. -----     2125144  74.6%  Defl  2018-08-30 20:39  Open_Data/Properties/CNS_strokes_sequence.txt
 62. -----        3523  76.0%  Defl  2018-08-02 17:57  Open_Data/Properties/全字庫屬性資料說明文件.txt
 63. -----        1447  61.6%  Defl  2018-08-31 10:37  Open_Data/資料更新說明.txt
(Flags: D=Directory, R=Resource fork, L=Link, E=Encrypted, @=Extended attributes)
(Mode: Defl=Deflate)




================================================================================

執行


$ lsar -j Open_Data.zip



顯示


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      "XADFileSize": 1447,
      "XADCompressedSize": 555,
      "XADIndex": 63
    }
  ],
  "lsarEncoding": "Big5",
  "lsarConfidence": 0.99,
  "lsarFormatName": "Zip",
  "lsarProperties": {
    "XADArchiveName": "Open_Data.zip",
    "XADVolumes": [
      "Open_Data.zip"
    ]
  }
}





接下來會探討「file-roller」如何讓「unar」可以「Work」,撰寫中,待續

先參考修改後的範例

* file-roller
* engrampa

9/28 23:25:50
應用擴展 工具箱
回覆: [分享] 解壓縮zip檔,產生亂碼,如何解決的心得
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離線
接續「#12」,

研究了一下「file-roller」,發現是有支援「unar」的。

執行


$ apt-cache show file-roller | grep 'unar'



顯示


Suggests: p7zip-full, arj, lha, lzip, lzma, lzop, ncompress, rpm2cpio, rzip, sharutils, squashfs-tools, unace, unalz, unar, xz-utils, zoo



================================================================================

## 下載「file-roller」的「Source Package: file-roller

執行


$ apt-get source file-roller



會下載下面三個檔案

* file-roller_3.28.0-1ubuntu1.debian.tar.xz
* file-roller_3.28.0-1ubuntu1.dsc
* file-roller_3.28.0.orig.tar.xz

並且解開到「file-roller-3.28.0」這個資料夾


================================================================================

## 編譯前置作業

================================================================================

### 安裝「build-essential

執行下面指令安裝「build-essential


$ sudo apt-get install build-essential



================================================================================

### build-dep

執行下面指令,安裝編譯時需要的相關套件。


$ sudo apt-get build-dep file-roller



要知道有哪些套件,可以執行下面指令觀看


$ apt-cache showsrc file-roller | grep '^Build-Depends:



顯示


Build-Depends: debhelper (>= 11), desktop-file-utils, gnome-pkg-tools (>= 0.12), itstool, libarchive-dev (>= 3), libglib2.0-dev (>= 2.36.0), libgtk-3-dev (>= 3.13.2), libjson-glib-dev (>= 0.14), libmagic-dev, libnautilus-extension-dev (>= 2.91.0), libnotify-dev (>= 0.4.3), meson (>= 0.43)



================================================================================

## 切換到「file-roller-3.28.0」

執行下面指令,切換到「file-roller-3.28.0」,這個資料夾


$ cd file-roller-3.28.0



================================================================================

## 開始編譯

執行下面指令,開始編譯


$ ./debian/rules build



編譯成功後,會產生一個資料夾「obj-x86_64-linux-gnu」

================================================================================

## 觀看「obj-x86_64-linux-gnu」的資料夾結構

執行


$ tree obj-x86_64-linux-gnu



顯示


obj-x86_64-linux-gnu
├── build.ninja
├── compile_commands.json
├── config.h
├── data
│   ├── icons
│   ├── org.gnome.FileRoller.appdata.xml
│   ├── org.gnome.FileRoller.ArchiveManager1.service
│   ├── org.gnome.FileRoller.desktop
│   ├── org.gnome.FileRoller.desktop.in
│   └── org.gnome.FileRoller.service
├── help
├── meson-logs
│   └── meson-log.txt
├── meson-private
│   ├── build.dat
│   ├── cleantrees.dat
│   ├── coredata.dat
│   ├── install.dat
│   ├── meson_benchmark_setup.dat
│   ├── meson_exe_glib-mkenums_02fa0eaae8f246a4a6d1e1f3a51cee767a523d7f.dat
│   ├── meson_exe_glib-mkenums_af77c30aed913d8546a6aa8b334d2fcf2c90a9f7.dat
│   ├── meson_test_setup.dat
│   ├── sanitycheckc.c
│   └── sanitycheckc.exe
├── nautilus
│   ├── libnautilus-fileroller.so
│   └── nautilus-fileroller@sha
│       ├── fileroller-module.c.o
│       └── nautilus-fileroller.c.o
├── po
└── src
    ├── commands
    │   ├── rpm2cpio
    │   └── rpm2cpio@exe
    │       └── rpm2cpio.c.o
    ├── file-roller
    ├── file-roller@exe
    │   ├── dlg-add.c.o
    │   ├── dlg-ask-password.c.o
    │   ├── dlg-batch-add.c.o
    │   ├── dlg-delete.c.o
    │   ├── dlg-extract.c.o
    │   ├── dlg-open-with.c.o
    │   ├── dlg-package-installer.c.o
    │   ├── dlg-password.c.o
    │   ├── dlg-prop.c.o
    │   ├── dlg-update.c.o
    │   ├── eggtreemultidnd.c.o
    │   ├── file-data.c.o
    │   ├── file-utils.c.o
    │   ├── fr-application.c.o
    │   ├── fr-application-menu.c.o
    │   ├── fr-archive.c.o
    │   ├── fr-archive-libarchive.c.o
    │   ├── fr-command-7z.c.o
    │   ├── fr-command-ace.c.o
    │   ├── fr-command-alz.c.o
    │   ├── fr-command-ar.c.o
    │   ├── fr-command-arj.c.o
    │   ├── fr-command-cfile.c.o
    │   ├── fr-command.c.o
    │   ├── fr-command-cpio.c.o
    │   ├── fr-command-dpkg.c.o
    │   ├── fr-command-iso.c.o
    │   ├── fr-command-jar.c.o
    │   ├── fr-command-lha.c.o
    │   ├── fr-command-lrzip.c.o
    │   ├── fr-command-rar.c.o
    │   ├── fr-command-rpm.c.o
    │   ├── fr-command-tar.c.o
    │   ├── fr-command-unarchiver.c.o
    │   ├── fr-command-unsquashfs.c.o
    │   ├── fr-command-unstuff.c.o
    │   ├── fr-command-zip.c.o
    │   ├── fr-command-zoo.c.o
    │   ├── fr-error.c.o
    │   ├── fr-file-selector-dialog.c.o
    │   ├── fr-init.c.o
    │   ├── fr-list-model.c.o
    │   ├── fr-location-bar.c.o
    │   ├── fr-new-archive-dialog.c.o
    │   ├── fr-process.c.o
    │   ├── fr-window-actions-callbacks.c.o
    │   ├── fr-window.c.o
    │   ├── gio-utils.c.o
    │   ├── glib-utils.c.o
    │   ├── gth-icon-cache.c.o
    │   ├── gtk-utils.c.o
    │   ├── java-utils.c.o
    │   ├── main.c.o
    │   ├── meson-generated_.._fr-enum-types.c.o
    │   ├── meson-generated_.._fr-marshal.c.o
    │   ├── meson-generated_.._fr-resources.c.o
    │   ├── open-file.c.o
    │   ├── preferences.c.o
    │   └── rar-utils.c.o
    ├── fr-enum-types.c
    ├── fr-enum-types.h
    ├── fr-marshal.c
    ├── fr-marshal.h
    ├── fr-resources.c
    ├── fr-resources.h
    ├── sh
    ├── test-server
    └── test-server@exe
        └── test-server.c.o

14 directories, 92 files



================================================================================

執行


$ find obj-x86_64-linux-gnu



顯示


obj-x86_64-linux-gnu
obj-x86_64-linux-gnu/nautilus
obj-x86_64-linux-gnu/nautilus/nautilus-fileroller@sha
obj-x86_64-linux-gnu/nautilus/nautilus-fileroller@sha/fileroller-module.c.o
obj-x86_64-linux-gnu/nautilus/nautilus-fileroller@sha/nautilus-fileroller.c.o
obj-x86_64-linux-gnu/nautilus/libnautilus-fileroller.so
obj-x86_64-linux-gnu/data
obj-x86_64-linux-gnu/data/icons
obj-x86_64-linux-gnu/data/org.gnome.FileRoller.ArchiveManager1.service
obj-x86_64-linux-gnu/data/org.gnome.FileRoller.service
obj-x86_64-linux-gnu/data/org.gnome.FileRoller.desktop
obj-x86_64-linux-gnu/data/org.gnome.FileRoller.desktop.in
obj-x86_64-linux-gnu/data/org.gnome.FileRoller.appdata.xml
obj-x86_64-linux-gnu/meson-logs
obj-x86_64-linux-gnu/meson-logs/meson-log.txt
obj-x86_64-linux-gnu/.ninja_log
obj-x86_64-linux-gnu/po
obj-x86_64-linux-gnu/src
obj-x86_64-linux-gnu/src/fr-marshal.h
obj-x86_64-linux-gnu/src/fr-resources.h
obj-x86_64-linux-gnu/src/fr-resources.c
obj-x86_64-linux-gnu/src/file-roller@exe
obj-x86_64-linux-gnu/src/file-roller@exe/meson-generated_.._fr-enum-types.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/meson-generated_.._fr-marshal.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-7z.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-process.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-dpkg.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-unstuff.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-lha.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/eggtreemultidnd.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/gth-icon-cache.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-unsquashfs.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-ar.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/file-data.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-error.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/open-file.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-window.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-cfile.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-new-archive-dialog.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-list-model.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-location-bar.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-file-selector-dialog.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-add.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-application.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-delete.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-application-menu.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-iso.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-unarchiver.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-open-with.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/gtk-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-init.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-ace.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/file-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-alz.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-cpio.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-tar.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-rar.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-rpm.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-archive-libarchive.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/gio-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-arj.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/glib-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/meson-generated_.._fr-resources.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-update.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-lrzip.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-batch-add.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-prop.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-jar.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/java-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-package-installer.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-extract.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-password.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/rar-utils.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/main.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-zip.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/dlg-ask-password.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-archive.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-command-zoo.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/preferences.c.o
obj-x86_64-linux-gnu/src/file-roller@exe/fr-window-actions-callbacks.c.o
obj-x86_64-linux-gnu/src/test-server@exe
obj-x86_64-linux-gnu/src/test-server@exe/test-server.c.o
obj-x86_64-linux-gnu/src/fr-enum-types.c
obj-x86_64-linux-gnu/src/fr-enum-types.h
obj-x86_64-linux-gnu/src/test-server
obj-x86_64-linux-gnu/src/sh
obj-x86_64-linux-gnu/src/file-roller
obj-x86_64-linux-gnu/src/commands
obj-x86_64-linux-gnu/src/commands/rpm2cpio@exe
obj-x86_64-linux-gnu/src/commands/rpm2cpio@exe/rpm2cpio.c.o
obj-x86_64-linux-gnu/src/commands/rpm2cpio
obj-x86_64-linux-gnu/src/fr-marshal.c
obj-x86_64-linux-gnu/build.ninja
obj-x86_64-linux-gnu/meson-private
obj-x86_64-linux-gnu/meson-private/sanitycheckc.c
obj-x86_64-linux-gnu/meson-private/cleantrees.dat
obj-x86_64-linux-gnu/meson-private/meson_exe_glib-mkenums_af77c30aed913d8546a6aa8b334d2fcf2c90a9f7.dat
obj-x86_64-linux-gnu/meson-private/install.dat
obj-x86_64-linux-gnu/meson-private/meson_test_setup.dat
obj-x86_64-linux-gnu/meson-private/meson_benchmark_setup.dat
obj-x86_64-linux-gnu/meson-private/coredata.dat
obj-x86_64-linux-gnu/meson-private/build.dat
obj-x86_64-linux-gnu/meson-private/sanitycheckc.exe
obj-x86_64-linux-gnu/meson-private/meson_exe_glib-mkenums_02fa0eaae8f246a4a6d1e1f3a51cee767a523d7f.dat
obj-x86_64-linux-gnu/help
obj-x86_64-linux-gnu/config.h
obj-x86_64-linux-gnu/.ninja_deps
obj-x86_64-linux-gnu/compile_commands.json


================================================================================

因為是使用「meson」來輔助編譯,後端是使用「ninja-build」。


所以當我們修改了原始碼(主要會修改[src]底下的檔案),
可以先切換到「obj-x86_64-linux-gnu」,


$ cd obj-x86_64-linux-gnu



然後在「obj-x86_64-linux-gnu」這個資料夾,只要執行下面指令


$ ninja



就會重新編譯了,

要測試,則是直接執行「obj-x86_64-linux-gnu/src/file-roller」這個執行檔就行了。

================================================================================

為了測試方便看到一些偵錯訊息,編譯之前可以先在「obj-x86_64-linux-gnu/config.h」加入下面一行


#define DEBUG 1



可以直接執行下面指令加入


$ echo '#define DEBUG 1' >> obj-x86_64-linux-gnu/config.h



然後編譯,

測試時只要在「Terminal」執行「obj-x86_64-linux-gnu/src/file-roller」,

然後開啟在「#12」提到的範例檔,就可以看到如下的訊息


[FR] ../src/fr-window.c:3291 (_archive_operation_started):
LOADING_ARCHIVE [START] (FR::Window)

[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
LOADING_ARCHIVE [DONE] (FR::Window)

[FR] ../src/fr-window.c:3291 (_archive_operation_started):
LISTING_CONTENT [START] (FR::Window)

[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-process.c:956 (execute_current_command):
0/0)
LC_MESSAGES=C
7z l -slt -bd -y -- /home/user/Downloads/Open_Data.zip
[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
LISTING_CONTENT [DONE] (FR::Window)



接著解開「Open_Data.zip」會看到如下的訊息


[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-process.c:956 (execute_current_command):
0/0)
LC_MESSAGES=C
7z l -slt -bd -y -- /home/user/Downloads/Open_Data.zip
[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
LISTING_CONTENT [DONE] (FR::Window)

[FR] ../src/fr-window.c:3291 (_archive_operation_started):
EXTRACTING_FILES [START] (FR::Window)

[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-process.c:956 (execute_current_command):
0/0)
LC_MESSAGES=C
7z x -bd -y -o/home/user/Downloads -- /home/user/Downloads/Open_Data.zip
[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
EXTRACTING_FILES [DONE] (FR::Window)

[/code]


上面就可以看到「file-roller」呼叫外部指令

觀看


$ 7z l -slt -bd -y -- /home/user/Downloads/Open_Data.zip



解開


$ 7z x -bd -y -o/home/user/Downloads -- /home/user/Downloads/Open_Data.zip



================================================================================

上面編譯的方式,除了在「file-roller-3.28.0」這個資料夾,執行「./debian/rule build」,
也可以採用另一種方式

在「file-roller-3.28.0」這個資料夾,

執行


$ meson build



就會產生一個資料夾「build」

然後切換到「build」這個資料夾


$ cd build



然後執行下面指令編譯


$ ninja



然後可以執行「src/file-roller」來測試


$ ./src/file-roller



另外編譯前,不需要修改「config.h」,加入「#define DEBUG 1」,預設就會有「#define DEBUG 1」。

================================================================================

上面這個模式,一樣可以套用在「GitHub」上的「file-roller」專案


git clone https://github.com/GNOME/file-roller.git

cd file-roller

meson build

cd build

ninja

./src/file-roller


================================================================================

接下來,回到原本要討論的議題,討論如何修改原始碼,待續...

9/29 0:46:03
應用擴展 工具箱
回覆: [分享] 解壓縮zip檔,產生亂碼,如何解決的心得
會員五級
註冊日期:
2012/4/22 10:50
所屬群組:
已註冊使用者
等級: 34
HP : 165 / 829
MP : 545 / 16105
EXP: 19
離線
接下來先在「file-roller-3.28.0」這個資料夾,可以看到一個檔案「HACKING


$ less HACKING



可以看到幾個檔案可以當作探索的起點的

* src/fr-init.c
* src/fr-archive.c
* src/fr-archive-libarchive.c
* src/fr-command.c
* src/fr-process.c

================================================================================

以下討論的修改,主要是在「src/fr-init.c」這個檔案。

================================================================================

先找到「register_archives」這個「function」。

執行


$ grep 'register_archives (void)' src/fr-init.c -B 2 -A 35 -n



顯示


352-
353-static void
354:register_archives (void)
355-{
356-	/* The order here is important. Commands registered earlier have higher
357-	 * priority.  However commands that can read and write a file format
358-	 * have higher priority over commands that can only read the same
359-	 * format, regardless of the registration order. */
360-
361-#if ENABLE_LIBARCHIVE
362-	register_archive (FR_TYPE_ARCHIVE_LIBARCHIVE);
363-#endif
364-
365-	register_archive (FR_TYPE_COMMAND_TAR);
366-	register_archive (FR_TYPE_COMMAND_CFILE);
367-	register_archive (FR_TYPE_COMMAND_7Z);
368-	register_archive (FR_TYPE_COMMAND_DPKG);
369-
370-	register_archive (FR_TYPE_COMMAND_ACE);
371-	register_archive (FR_TYPE_COMMAND_ALZ);
372-	register_archive (FR_TYPE_COMMAND_AR);
373-	register_archive (FR_TYPE_COMMAND_ARJ);
374-	register_archive (FR_TYPE_COMMAND_CPIO);
375-	register_archive (FR_TYPE_COMMAND_ISO);
376-	register_archive (FR_TYPE_COMMAND_JAR);
377-	register_archive (FR_TYPE_COMMAND_LHA);
378-	register_archive (FR_TYPE_COMMAND_RAR);
379-	register_archive (FR_TYPE_COMMAND_RPM);
380-	register_archive (FR_TYPE_COMMAND_UNSQUASHFS);
381-	register_archive (FR_TYPE_COMMAND_UNSTUFF);
382-	register_archive (FR_TYPE_COMMAND_ZIP);
383-	register_archive (FR_TYPE_COMMAND_LRZIP);
384-	register_archive (FR_TYPE_COMMAND_ZOO);
385-#if HAVE_JSON_GLIB
386-	register_archive (FR_TYPE_COMMAND_UNARCHIVER);
387-#endif
388-}
389-




================================================================================

接著找到「get_archive_type_from_mime_type」這個「function」。


執行


$ grep 'get_archive_type_from_mime_type' src/fr-init.c -B 2 -A 22



顯示


GType
get_archive_type_from_mime_type (const char    *mime_type,
				 FrArchiveCaps  requested_capabilities)
{
	int i;

	if (mime_type == NULL)
		return 0;

	for (i = 0; i < Registered_Archives->len; i++) {
		FrRegisteredArchive *command;
		FrArchiveCaps        capabilities;

		command = g_ptr_array_index (Registered_Archives, i);
		capabilities = fr_registered_archive_get_capabilities (command, mime_type);

		/* the command must support all the requested capabilities */
		if (((capabilities ^ requested_capabilities) & requested_capabilities) == 0)
			return command->type;
	}

	return 0;
}




要修改成下面的程式碼


GType
get_archive_type_from_mime_type (const char    *mime_type,
				 FrArchiveCaps  requested_capabilities)
{
	int i;

	if (mime_type == NULL)
		return 0;


	if (g_ascii_strcasecmp(mime_type, "application/zip") == 0) { // only for zip
		if (requested_capabilities == FR_ARCHIVE_CAN_READ_WRITE) { // first call
			return 0;
		} else if (requested_capabilities == FR_ARCHIVE_CAN_READ) { // second call
			FrRegisteredArchive *command;
			//FrArchiveCaps        capabilities;
			command = g_ptr_array_index (Registered_Archives, Registered_Archives->len-1); // last command -> FR_TYPE_COMMAND_UNARCHIVER
			//capabilities = fr_registered_archive_get_capabilities (command, mime_type);

			debug (DEBUG_INFO, "command->type: %d ", command->type);

			if (command->type == FR_TYPE_COMMAND_UNARCHIVER) { // force use unar
				return command->type;
			}

		}
	}


	for (i = 0; i < Registered_Archives->len; i++) {
		FrRegisteredArchive *command;
		FrArchiveCaps        capabilities;

		command = g_ptr_array_index (Registered_Archives, i);
		capabilities = fr_registered_archive_get_capabilities (command, mime_type);

		/* the command must support all the requested capabilities */
		if (((capabilities ^ requested_capabilities) & requested_capabilities) == 0)
			return command->type;
	}

	return 0;
}




主要是加入藍色的那段程式碼。
至於為啥要這樣修改,除了參考「HACKING」的說明,
還有上面提到的「register_archives」這個「function」裡面有一個註解如下


356-	/* The order here is important. Commands registered earlier have higher
357-	 * priority.  However commands that can read and write a file format
358-	 * have higher priority over commands that can only read the same
359-	 * format, regardless of the registration order. */



還有下面要找到的另一個註解。

================================================================================

接著找到「get_archive_type_from_mime_type」這個「function」在哪裡被呼叫。


執行


$ grep 'get_archive_type_from_mime_type' src/* -R -n



顯示


src/fr-archive.c:596:	archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
src/fr-archive.c:602:		archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
src/fr-archive.c:677:	archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
src/fr-archive.c:683:		archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
src/fr-init.c:392:get_archive_type_from_mime_type (const char    *mime_type,
src/fr-init.h:60:GType        get_archive_type_from_mime_type         (const char    *mime_type,




================================================================================

執行


$ grep 'get_archive_type_from_mime_type' src/fr-archive.c -B 17 -A 9 -n



顯示


579-FrArchive *
580-fr_archive_create (GFile      *file,
581-		   const char *mime_type)
582-{
583-	FrArchiveCaps  requested_capabilities;
584-	GType          archive_type;
585-	FrArchive     *archive;
586-	GFile         *parent;
587-
588-	if (mime_type == NULL)
589-		mime_type = _g_mime_type_get_from_filename (file);
590-
591-	/* try with the CAN_READ capability as well, this way we give
592-	 * priority to the commands that can read and write over commands
593-	 * that can only create a specific file format. */
594-
595-	requested_capabilities = FR_ARCHIVE_CAN_READ_WRITE;
596:	archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
597-
598-	/* if no command was found, remove the read capability and try again */
599-
600-	if (archive_type == 0) {
601-		requested_capabilities ^= FR_ARCHIVE_CAN_READ;
602:		archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
603-	}
604-
605-	archive = create_archive_for_mime_type (archive_type,
606-						file,
607-						mime_type,
608-						FR_ARCHIVE_CAN_WRITE);
609-
610-	parent = g_file_get_parent (file);
611-	archive->priv->have_write_permissions = _g_file_check_permissions (parent, W_OK);
--
660-
661-
662-static FrArchive *
663-create_archive_to_load_archive (GFile      *file,
664-			        const char *mime_type)
665-{
666-	FrArchiveCaps requested_capabilities;
667-	GType         archive_type;
668-
669-	if (mime_type == NULL)
670-		return FALSE;
671-
672-	/* try with the CAN_WRITE capability even when loading, this way we give
673-	 * [color=blue]priority to the commands that can read and write over commands
674-	 * [color=blue]that can only read a specific file format. */
675-
676-	requested_capabilities = FR_ARCHIVE_CAN_READ_WRITE;
677:	archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
678-
679-	/* if no command was found, remove the write capability and try again */
680-
681-	if (archive_type == 0) {
682-		requested_capabilities ^= FR_ARCHIVE_CAN_WRITE;
683:		archive_type = get_archive_type_from_mime_type (mime_type, requested_capabilities);
684-	}
685-
686-	return create_archive_for_mime_type (archive_type,
687-					     file,
688-					     mime_type,
689-					     requested_capabilities);
690-}
691-
692-



================================================================================

從上面的藍色註解,和程式碼來猜測

關於「get_archive_type_from_mime_type」有可能會呼叫兩次,

第一次的「requested_capabilities」會設定為「FR_ARCHIVE_CAN_READ_WRITE」傳入到「get_archive_type_from_mime_type」

若得到的結果是「0」,就會呼叫第二次「get_archive_type_from_mime_type」,

這也是上面修改程式的用意,當第一次呼叫「get_archive_type_from_mime_type」

當「mime_type」是「"application/zip"」,而且「requested_capabilities」是「FR_ARCHIVE_CAN_READ_WRITE」,就直接回傳0。


	if (g_ascii_strcasecmp(mime_type, "application/zip") == 0) { // only for zip
		if (requested_capabilities == FR_ARCHIVE_CAN_READ_WRITE) { // first call
			return 0;
	}



於是就會進到第二次呼叫的流程,


	else if (requested_capabilities == FR_ARCHIVE_CAN_READ) { // second call
		FrRegisteredArchive *command;
		//FrArchiveCaps        capabilities;
		command = g_ptr_array_index (Registered_Archives, Registered_Archives->len-1); // last command -> FR_TYPE_COMMAND_UNARCHIVER
		//capabilities = fr_registered_archive_get_capabilities (command, mime_type);

		debug (DEBUG_INFO, "command->type: %d ", command->type);

		if (command->type == FR_TYPE_COMMAND_UNARCHIVER) { // force use unar
			return command->type;
		}

	}



也就是強制採用「FR_TYPE_COMMAND_UNARCHIVER」,然後回傳「command->type」。

當然這樣做,會有副作用,就只能觀看和解開壓縮檔,不能編輯壓縮檔。

================================================================================

於是接下來修改成第二版,修改如下


GType
get_archive_type_from_mime_type (const char    *mime_type,
				 FrArchiveCaps  requested_capabilities)
{
	int i;

	if (mime_type == NULL)
		return 0;

	if (force_use_unar()) { // check force use unar
		if (g_ascii_strcasecmp(mime_type, "application/zip") == 0) { // only for zip
			if (requested_capabilities == FR_ARCHIVE_CAN_READ_WRITE) { // first call
				return 0;
			} else if (requested_capabilities == FR_ARCHIVE_CAN_READ) { // second call
				FrRegisteredArchive *command;
				//FrArchiveCaps        capabilities;
				command = g_ptr_array_index (Registered_Archives, Registered_Archives->len-1); // last command -> FR_TYPE_COMMAND_UNARCHIVER
				//capabilities = fr_registered_archive_get_capabilities (command, mime_type);

				debug (DEBUG_INFO, "command->type: %d ", command->type);

				if (command->type == FR_TYPE_COMMAND_UNARCHIVER) { // force use unar
					return command->type;
				}

			}
		}
	}

	for (i = 0; i < Registered_Archives->len; i++) {
		FrRegisteredArchive *command;
		FrArchiveCaps        capabilities;

		command = g_ptr_array_index (Registered_Archives, i);
		capabilities = fr_registered_archive_get_capabilities (command, mime_type);

		/* the command must support all the requested capabilities */
		if (((capabilities ^ requested_capabilities) & requested_capabilities) == 0)
			return command->type;
	}

	return 0;
}



加入一個旗標來檢測,是否強制採用「unar」。

這個機制設計在「force_use_unar」這個「function」,只是檢查「/tmp/force-use-unar」這個檔案是否存在,


gboolean force_use_unar (void)
{
	FILE* fp = fopen("/tmp/force-use-unar", "r");
	if (fp) {
		// file exists
		fclose(fp);
		return TRUE;
	} else {
		// file doesn't exist
		return FALSE;
	}
}



記得在「fr-init.h」要加入「宣告」如下:


gboolean     force_use_unar                          (void);



================================================================================

接下來修改成第三版,採用「gsettings」的機制,來設計「force_use_unar」,程式碼修改如下


gboolean force_use_unar (void)
{
	/*
		[preferences.h]
		FILE_ROLLER_SCHEMA_GENERAL = "org.gnome.FileRoller.General"
	 	PREF_GENERAL_FORCE_USE_UNAR = "force-use-unar"
	*/
	GSettings *settings;
	settings = g_settings_new (FILE_ROLLER_SCHEMA_GENERAL);

	if (g_settings_get_boolean (settings, PREF_GENERAL_FORCE_USE_UNAR) && _g_program_is_in_path ("unar") && _g_program_is_in_path ("lsar")) {
		g_object_unref (settings);
		return TRUE;
	} else {
		g_object_unref (settings);
		return FALSE;
	}
}




================================================================================

測試的時候,要修改「/usr/share/glib-2.0/schemas/org.gnome.FileRoller.gschema.xml」這個檔案


$ sudo vi /usr/share/glib-2.0/schemas/org.gnome.FileRoller.gschema.xml



在「<schema id="org.gnome.FileRoller.General" path="/org/gnome/file-roller/general/" gettext-domain="file-roller">」那個區段,加入下面這一段


<key name="force-use-unar" type="b">
  <default>false</default>
  <summary>Force use unar.</summary>
  <description>Force use unar to open zip archives.</description>
</key>



接著執行


$ sudo glib-compile-schemas /usr/share/glib-2.0/schemas/



若沒有這個步驟,在測試「src/file-roller」的時候,會出現類似如下的提示訊息


(file-roller:4898): GLib-GIO-ERROR **: 02:08:46.244: Settings schema 'org.gnome.FileRoller.General' does not contain a key named 'force-use-unar'
Trace/breakpoint trap (core dumped)


================================================================================

執行


$ gsettings get org.gnome.FileRoller.General force-use-unar



顯示


false



執行


$ gsettings set org.gnome.FileRoller.General force-use-unar true



上面設定好後,就可以使用「src/file-roller」來測試

這時候可以看到如下的訊息


[FR] ../src/fr-window.c:3291 (_archive_operation_started):
	LOADING_ARCHIVE [START] (FR::Window)

[FR] ../src/fr-init.c:434 (get_archive_type_from_mime_type):
	command->type: -283313632
[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
	filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
	e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
	LOADING_ARCHIVE [DONE] (FR::Window)

[FR] ../src/fr-window.c:3291 (_archive_operation_started):
	LISTING_CONTENT [START] (FR::Window)

[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
	filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
	e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-process.c:956 (execute_current_command):
	0/0)
	LC_MESSAGES=C
	lsar -j /home/user/Downloads/Open_Data.zip
[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
	LISTING_CONTENT [DONE] (FR::Window)



解開


[FR] ../src/fr-window.c:3291 (_archive_operation_started):
	EXTRACTING_FILES [START] (FR::Window)

[FR] ../src/fr-command.c:455 (_fr_command_set_filename):
	filename : /home/user/Downloads/Open_Data.zip

[FR] ../src/fr-command.c:456 (_fr_command_set_filename):
	e_filename : '/home/user/Downloads/Open_Data.zip'

[FR] ../src/fr-process.c:956 (execute_current_command):
	0/0)
	LC_MESSAGES=C
	unar -f -D -output-directory=/home/user/Downloads /home/user/Downloads/Open_Data.zip
[FR] ../src/fr-window.c:3129 (_archive_operation_completed):
	EXTRACTING_FILES [DONE] (FR::Window)



從上面就可以看到改用「lsar」和「unar」兩個指令

觀看


$ lsar -j /home/user/Downloads/Open_Data.zip



解開


$ unar -f -D -output-directory=/home/user/Downloads /home/user/Downloads/Open_Data.zip



================================================================================

若要不強制採用「unar」,

執行


$ gsettings set org.gnome.FileRoller.General force-use-unar false



或是執行下面指令,還原成預設值「false」


$ gsettings reset org.gnome.FileRoller.General force-use-unar



================================================================================

在「GitHub」上,有放一個「file-roller」修改後的範例。
另外也有「engrampa」修改後的範例。

會修改「engrampa」,是因為看到這篇「討論」。

然後原本就有打算採用「gsettings」的方式,只是一開始不知道怎麼寫,剛好在修改「engrampa」,發生了提示訊息,

於是找到了另外兩篇討論,「討論一」和「討論二」,

於是就產生最後的「gsettings」的版本了。

================================================================================

以上提供參考,當作是探索的起點,
其實程式碼,我也沒完全看懂,只是用猜的和土法煉鋼的測試,才有上面的紀錄。

報告完畢


9/29 2:43:34
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打那麼多字不會累嗎 o.O

LANG=zh_TW.BIG5 unzip xxx.zip 這樣不行嗎 o.O

那 windows 下面解不就OK了

9/29 22:56:41
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呆丸廖添丁 寫到:
打那麼多字不會累嗎 o.O

LANG=zh_TW.BIG5 unzip xxx.zip 這樣不行嗎 o.O

那 windows 下面解不就OK了


下指令的話,我以前是採用下面這個指令


$ unzip -O big5 Open_Data.zip



之前有做了一些紀錄,放在「這一頁」或是「#1

這一次是因為發現了新指令,只要執行下面指令,就會解開壓縮檔,
並且解開的過程中會自動偵測檔名編碼,然後做適當的轉換,就不會出現檔名亂碼的情形。


$ unar Open_Data.zip



關於這部份,我有紀錄在「#12

因為這次我是拆成三篇「#12」「#13」「#14」,這三篇要連著看。

會紀錄這個,除了給自己備忘,也給有想要進一部探究的人,一個探索的起點
雖然我也都是打指令居多,但還是有些人是有需要GUI的需求。

以上釐清!

最後感謝您提供了指令的另一個下法。



9/29 23:20:10
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剛剛修改了「lxqt-archiver」,修改範例一樣放在「GitHub」上,

修改方式,基本上跟修改「engrampa」是一樣的,

只是我只有修改到版本二,也就是使用「/tmp/force-use-unar」當作旗標。

請對照「#14」的修改說明。

另外因為我在「Ubuntu 18.04」編譯不起來「lxqt-archiver」,

所以我測試的時候,是下載「Lubuntu 18.10 (Cosmic Cuttlefish) Daily Build」來測試,是可以編譯成功,也可以成功測試。

以下是編譯參考步驟

裝好「Lubuntu 18.10 (Cosmic Cuttlefish) Daily Build


## apt-get update


$ sudo apt-get update




## 安裝 build-essential

接著執行下面指令安裝「build-essential」


$ sudo apt-get install build-essential



不過測試的時候,發現「build-essential」預設好像是安裝好的,若沒有安裝的話,請先安裝。


## 安裝 lxqt-build-tools


$ sudo apt-get install lxqt-build-tools




## 安裝編譯所需套件


$ sudo apt-get install libqt5x11extras5-dev libfm-qt-dev libjson-glib-dev




## 安裝 unar


$ sudo apt-get install unar




## clone 專案 (可以下載我修改好的,或是原本的)


$ git clone https://github.com/samwhelp/lxqt-archiver.git


## git clone https://github.com/lxqt/lxqt-archiver.git




## 切換到 lxqt-archiver 資料夾


$ cd lxqt-archiver




## 建立 build 資料夾


$ mkdir -p build




## 切換到 build 資料夾


$ cd build




## 執行 cmake


$ cmake ../




## 執行 make


$ make




## 執行 src/lxqt-archiver


$ ./src/lxqt-archiver




## 下載測試檔


$ wget -c http://www.cns11643.gov.tw/AIDB/Open_Data.zip



用剛剛的執行「lxqt-archiver」開啟「Open_Data.zip」,會看到檔名亂碼。


## 產生「/tmp/force-use-unar」

接著執行下面指令,產生「/tmp/force-use-unar」


$ touch /tmp/force-use-unar



再開啟一次「Open_Data.zip」,就會看到檔名,是正常的中文顯示。


## 移除「tmp/force-use-unar」

接著執行下面指令,移除「/tmp/force-use-unar」,收工。


$ rm /tmp/force-use-unar



以上提供參考

報告完畢


9/30 0:00:50
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根據「#14」提到的指令下法,

聯想到「#17」,也可以採用環境變數的方式,來做旗標切換。

$ man 3 getenv

不過我就不再修改「#17」那個專案了。

我把「function force_use_unar」的實做方式,寫在另一個範例「get_env」,

另外也整理了其他的方式,放在「demo-concept-option」這個專案裡。

以上提供參考

報告完畢


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