Re: shell game

[Gary Turner <kk5st@sbcglobal.net>]

Gary Turner wrote:

>Drew Cohan wrote:

>>Using a bash shell script (/bin/sh), I need to know how to check to see
>>if certain files exist in a directory, as in, "Are there any jpegs in
>>this directory?".
<snip>
>
>Try 
>
>	ls *.jpg > /dev/null 2>&1   	# tested command--output is
>											# superfluous
>	if 
>		[ $? eq 0 ] 	            # did last command succeed?
           ^^
	Ack! Make that "-eq"  Sorry about that.

>			then echo "yes"       	# shout hooray
>		else echo "no"           	# tears in your beer
>	fi
>--
>gt       kk5st@sbcglobal.net
>It ain't so much what you don't know that gets you in trouble---
>it's what you do know that ain't so.--unk

--
gt                         kk5st@sbcglobal.net
  Nielsen's First Law of Computer Manuals:
People don't read documentation voluntarily.