Date: Thu, 13 Jan 2011 01:51:39 +0900 From: Ryuichiro Hara <rhml@kibug.org> To: Frank Bonnet <f.bonnet@esiee.fr> Cc: freebsd-questions@freebsd.org Subject: Re: problem with shell script Message-ID: <4D2DDC1B.9050408@kibug.org> In-Reply-To: <4D2DB449.6070901@esiee.fr> References: <4D2DB449.6070901@esiee.fr>
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(2011/01/12 23:01), Frank Bonnet wrote: > Hello > > I'm in trouble with a simple shell script that give > erroneous value when running ... > > If I run commands interactively everything runs well > > > ps ax | grep slapd | grep -v grep | wc -l > 1 > > If I run in the following shell script : > > #!/bin/sh > SD=0 > SD=`ps -ax | grep slapd | grep -v grep | wc -l` > echo $SD > > the result is 3 !!! > > > Any info welcome ! > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" hello. i would rather use pgrep(1); pgrep -afl slapd for just counting purpose, pgrep -a slapd | wc -l is enough. it should work as expected in `` output.
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