Thanks Jeff.
How will this be considered.
if(system(CondA) && system(CondB)) ...
I am getting 0 as the $? RC...but goes to the else part of the if-statement.
Both the conditions (Unix commands are executed). Is it taking the CondB RC?
Thanks
Manoj
if(
----- Original Message -----
From: jeff pang <[EMAIL PROTECTED]>
Date: Friday, December 14, 2007 7:09 pm
Subject: Re: Perl loop
To: [EMAIL PROTECTED], "beginners@perl.org" <beginners@perl.org>
> --- [EMAIL PROTECTED] wrote:
>
> >
> > Checking " if (system($touchcmd) && system($chkstat)) " as
> > condition. Is this a valid one? also was trying to get this done
> > buy calling subroutine.
> >
>
> No. Generally when an unix command was executed successfully, it will
> return 0. ie,
>
> $ perl -le '$s = system("ls -l >/dev/null");print $s'
> 0
>
> so,you'd better use the condition with $? variable (though it's not
> absolute),
>
> $ perl -le 'system("ls -l >/dev/null");if ($?==0) {print "true"}'
> true
>
> Best Regards,
> Jeff (joy) Peng
>
>
>
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