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Extracting .tar.gz files

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# 1  
Old 11-05-2016
Extracting .tar.gz files
I have a directory tree containing archive .tar.gz files that I want to extract at the location where they recide.

How can I achieve such an operation?
# 2  
Old 11-05-2016
Hi,

Did you try man tar

Code:
tar xzf file.tar.gz

# 3  
Old 11-05-2016
Try something like this?
Code:
find "$(pwd)" -type d |
while read dir
do
  cd "$dir" || continue
  for archive in *.tar.gz
  do
    if [ -r "./$archive" ]; then
      tar zxf "./$archive"
    fi
  done
done

Last edited by Scrutinizer; 11-05-2016 at 06:27 PM.. Reason: Added -z
This User Gave Thanks to Scrutinizer For This Post:
kristinu
# 4  
Old 11-05-2016
Wouldn't you need to account for the archives being gzipped; either by gunzipping them first or by adding the -z option to tar.
These 2 Users Gave Thanks to RudiC For This Post:
kristinu Scrutinizer
# 5  
Old 11-05-2016
Yes, indeed -z had fallen off. Added to my post...
# 6  
Old 11-05-2016
I am specifying the directories where the extraction is to take place in the variable argv_dir. For example having argv_dir="graphics" is giving me the error

Code:
./untar.sh: line 62: cd: graphics/maverik: No such file or directory
./untar.sh: line 62: cd: graphics/panorama: No such file or directory
./untar.sh: line 62: cd: graphics/guile-opengl: No such file or directory
./untar.sh: line 62: cd: graphics/3dldf: No such file or directory
./untar.sh: line 62: cd: graphics/plotutils: No such file or directory
./untar.sh: line 62: cd: graphics/gpaint: No such file or directory
./untar.sh: line 62: cd: graphics/dia: No such file or directory
./untar.sh: line 62: cd: graphics/gift: No such file or directory
./untar.sh: line 62: cd: graphics/libxmi: No such file or directory
./untar.sh: line 62: cd: graphics/xaos: No such file or directory
./untar.sh: line 62: cd: graphics/gimp: No such file or directory
./untar.sh: line 62: cd: graphics/gsegrafix: No such file or directory

The code is as follows

Code:
for f in ${argv_dir} ; do

  find "${f}" -type d |
  while read dir
  do
    cd "${dir}" || continue
    for archive in *.tar.gz
    do
      if [ -r "./$archive" ]; then
        echo "$dir"
        echo -e "tar -zxf ./$archive\n"
        #tar -zxf ./$archive
      fi
    done
  done

done

However when I use find "$(pwd)/$f" -type d things work ok

I want to be able to use both a relative path or a full path in the variable f
Last edited by kristinu; 11-05-2016 at 07:53 PM..
# 7  
Old 11-05-2016
Quote:
Originally Posted by RudiC
Wouldn't you need to account for the archives being gzipped; either by gunzipping them first or by adding the -z option to tar.
Some versions of tar (and cpio and pax) need to be given options to specify the type of archive to create when building a new archive, but automatically detect the archive type when extracting from or adding to an existing archive. Since we haven't been told what operating system is being used in this case, there isn't any way for us to check the man pages for that system to see if -z option is required when extracting files for the OP's system. The standards require pax to do this, but no longer require that cpio and tar even be present on conforming implementations. Although the standards never required that any of these utilities produce or process compressed archives, I don't remember seeing any version of pax that has options to produce a compressed archive that needed to be told that that archive was compressed when extracting files from it.
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