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Full Discussion: script for Gzip thousands of file
Operating Systems Solaris script for Gzip thousands of file Post 302154154 by thepurple on Friday 28th of December 2007 07:37:45 AM
Old 12-28-2007
script for Gzip thousands of file
Hi experts,

I have thousands of file (data file and Gziped file) in same directory like below--

bash-2.05$ pwd
/home/mmc

bash-2.05$ file PP023149200709270546
TT023149200709270546: gzip compressed data - deflate method

bash-2.05$ file PP027443200711242320
TT027443200711242320: data

i have script which i used before to UNZIP the Gzip files and send it to another directory Among those files Gzip & data files.
Code:
#!/usr/bin/sh
cd /home/mmc/
for i in `ls PP02*`
do
l=`file $i|grep gzip|wc -l`

if [ $l -ne 0 ]; then
gunzip -c $i > /home/mmc/zip/$i
fi
done

Now i need to reverse way. i.e. GZIP the files among those.

Please help me to write the script.
 

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LEARN ABOUT BSD

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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