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Full Discussion: unzip particular gzip files among the normal data files
Top Forums Shell Programming and Scripting unzip particular gzip files among the normal data files Post 302148240 by thepurple on Friday 30th of November 2007 10:17:49 AM
Old 11-30-2007
hi guys,

Below is worked for me. Thanks buddies for the hints--
#!/usr/bin/sh
cd /thousand/files/
for i in `ls`
do
l=`file $i|grep gzip|wc -l`

if [ $l -ne 0 ]; then
gunzip -c $i > /path/to/file/$i
fi
done
 

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LEARN ABOUT SUSE

lzgrep

XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME

       xzgrep - search compressed files for a regular expression

SYNOPSIS

       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION

       xzgrep  invokes	grep(1)  on  files  which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options
       specified are passed directly to grep(1).

       If no file is specified, then the standard input is decompressed if necessary and fed  to  grep(1).   When  reading  from  standard  input,
       gzip(1) and bzip2(1) compressed files are not supported.

       If  xzgrep  is  invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1).  The same applies to names lzgrep, lze-
       grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils.

ENVIRONMENT

       GREP   If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1).

SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), zgrep(1)

Tukaani 							    2009-07-05								 XZGREP(1)
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