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Full Discussion: How to make grep stop at first match
Operating Systems AIX How to make grep stop at first match Post 302409528 by Scott on Thursday 1st of April 2010 11:38:17 AM
Old 04-01-2010
Hi.

GNU grep has the -m option for that, but AIX grep doesn't have such a feature, I think.

You can use sed, if that's quick enough. Something like

Code:
$ sed -n "/something/{p;q;}" mytextfile

or

$ sed "/something/{!d;q;}" mytextfile

Your original grep solution would probably be OK if you ran it as:
Code:
grep "mystring" mytextfile

instead of in a while loop.
 

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LEARN ABOUT ULTRIX

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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