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Full Discussion: Search for a specific word and print only the word from the input file
Top Forums Shell Programming and Scripting Search for a specific word and print only the word from the input file Post 302938472 by pilnet101 on Monday 16th of March 2015 08:39:12 PM
Old 03-16-2015
Depending on your version of grep you can use the "-o" flag to get the exact match only. Are you bothered about retaining exact matches on the same line as one another? I am not sure looking at your example output as there are only 4 matches of "wo' not 5 as you have given.

Try this if you are not bothered about that:
Code:
tr ' ' '\n' < sample.log|grep wo

 

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LEARN ABOUT LINUX

zegrep

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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