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gzip.exe - How to Run On Windows XP ?

Posted on 2004-11-05
Medium Priority
Last Modified: 2008-01-09
Even though I'm running WinXP pro sp-1, the issue is with a unix utility with which the XP folks seem to be unfamiliar.  That's why I'm posting here.  I'm decompressing files with .tar.gz extension using GNU gzip.exe.
In Folder Options -> File Types, I've registered .gz to run a batch file called gzip.bat which calls 'gzip.exe -d %1'  But, when I double click the file I want to decompress all this does is eliminate the .gz leaving the .tar extension.  

How do I run this so the original .tar.gz keeps it's full extension and the files are unzipped in the temp directory (or prompt for directory name)?  Thank you.
Question by:WizeOwl
LVL 40

Accepted Solution

jlevie earned 1000 total points
ID: 12507255
A something.tar.gz is a tar archive that's been compressed with gzip. To unpack the files on a windows box you need both the decompression tool and a tool to read the tar archive. What you have now is only the decompression tool and it is operating correctly and decompressing the file. To then unpack the something.tar file that 'gzip -d' you need a tar.exe for windows.

There are other tools for windows that can do all of this in one set.
LVL 38

Expert Comment

ID: 12507504

   WinZip can unpack tar.gz to a directory you choose. You don't need gzip.exe.


Expert Comment

ID: 12507992
Winzip does the trick, so does Winrar which supports more formats...
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Author Comment

ID: 12510551
Winzip and WinRAR have been losing files and folders when extracting the tar.gz's which happen to be over 15MB.  I've used these utils multiple times and always the same files are missing (different files for each app, RAR loses more than winzip so at first I thought winzip was working, but it loses files too).  I have not had these problems when I use gzip -d filename.tar.gz followed by Alladin's Stuffit (I'm not sure I want to spend the $40 on registered version just yet).  I just found my 'tar.exe' which I forgot I already had, so I'm going to try that.

Since I don't recall how to modify filenames in the batch file (anyone?),  I tried the following, GZ.bat,
   copy %1 %1.bak
  \bin\gzip -d %1 | tar -x

This should send the output file that gzip creates over to the input for tar.  But, I never see the output from tar.  (The 'pause' is just to see the results before the cmd window closes.)  I'd like to keep the script native to Windows rather than write a perl script.  More points for help with this. (I'll split with jlevie) Thanks.
LVL 38

Assisted Solution

wesly_chen earned 400 total points
ID: 12510593
   How about cygwin? It's Unix-like envirnment in Windows. It collects all the GNU tools for Windows. Check it out.

   I try to use "tar" in cygwin, it can uncompress tar.gz within one shot:
# tar zxvf *.tar.gz  (or *.tgz)


Author Comment

ID: 12511114
Looks good.  Thanks for the tip.
LVL 88

Expert Comment

ID: 12518660
7Zip is like winzip but free.

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