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Full Discussion: variable getting results from a log file; compare it in an IF cycle
Top Forums Shell Programming and Scripting variable getting results from a log file; compare it in an IF cycle Post 302448298 by alister on Wednesday 25th of August 2010 05:32:37 PM
Old 08-25-2010
If all you care about is whether or not there is a match, you do not need to capture the output of grep and then compare it; you can simply test its exit status directly:
Code:
if grep -qr FAILED ~/build_results.txt; then
      RESULT='fail'
else
      RESULT='pass'
fi
echo is a $RESULT

Or, perhaps, more optimistically:
Code:
result=success
grep -qr FAILED ~/build_results.txt && result=fail
echo is a $result

Regards,
Alister
Last edited by alister; 08-25-2010 at 06:39 PM..
 

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LEARN ABOUT PLAN9

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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