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Top Forums Shell Programming and Scripting Single command - unzip files from a tar command Post 302617703 by ericlim on Tuesday 3rd of April 2012 04:29:12 AM
Old 04-03-2012
Quote:
Originally Posted by CarloM
From the looks of that output not all of the tarball is compress files?

Maybe something like:
Code:
tar xvf a.tar | grep '.Z$' | xargs gzip -d -S ""

This is the output for tar xvf a.tar
Code:
# tar xvf a.tar
x RET20120101.dat.Z, 939194 bytes, 1835 media blocks.
x RET20120102.dat.Z, 939194 bytes, 1835 media blocks.

If I do below, there is no ouput.
Code:
tar xvf a.tar | grep '.Z$'

If I do below, it's almost there but the extra , after the .Z is causing problem. Any suggestion how to get it right?
Code:
# tar xvf a.tar | grep '.Z'  | xargs gzip -d -S ""
x: No such file or directory
RET20120101.dat.Z,: No such file or directory
939194: No such file or directory
bytes,: No such file or directory
1835: No such file or directory
media: No such file or directory
blocks.: No such file or directory
x: No such file or directory
RET20120102.dat.Z,: No such file or directory
939194: No such file or directory
bytes,: No such file or directory
1835: No such file or directory
media: No such file or directory
blocks.: No such file or directory


Last edited by Franklin52; 04-03-2012 at 10:41 AM.. Reason: Please use code tags for data and code samples, thank you
 

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SHTOOL-TARBALL.TMP(1)					      GNU Portable Shell Tool					     SHTOOL-TARBALL.TMP(1)

NAME
shtool-tarball - GNU shtool command for rolling standardized tarballs SYNOPSIS
shtool tarball [-t|--trace] [-v|--verbose] [-o|--output tarball] [-c|--compress prog] [-d|--directory directory] [-u|--user user] [-g|--group group] [-e|--exclude pattern] path [path ...] DESCRIPTION
This command is for rolling input files under path into a distribution tarballs which can be extracted by tar(1). The four important aspects of good open source software tarballs are: (1) unpack into a single top-level directory, (2) top-level directory corresponds to the tarball filename, (3) tarball files should be sorted and (4) arbitrary names for file owner and group. OPTIONS
The following command line options are available. -v, --verbose Display some processing information. -t, --trace Enable the output of the essential shell commands which are executed. -o, --output tarball Output tarball to file tarball. -c, --compress prog Pipe resulting tarball through compression program prog. -d, --directory directory Sets the top-level directory into which the tarball unpacks. By default it is tarball without the trailing ".tar.*" extension. -u, --user user The user (owner) of files and directories in the tarball to user. -g, --group group The group of files and directories in the tarball to group. -e, --exclude pattern Exclude files and directories matching comma-separated list of regex pattern from the tarball. Directories are expanded before the filtering takes place. The default filter pattern is ""CVS,\.cvsignore,\.svn,\.[oa]$"". EXAMPLE
# Makefile.in dist: ... V=`shtool version -d short ...`; shtool tarball -o foobar-$$V.tar.gz -c 'gzip -9' -u bar -g gnu -e 'CVS,.cvsignore' . HISTORY
The GNU shtool tarball command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 1999 for GNU shtool. SEE ALSO
shtool(1), tar(1), compress(1). 18-Jul-2008 shtool 2.0.8 SHTOOL-TARBALL.TMP(1)
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