--- "Brett W. McCoy" <[EMAIL PROTECTED]> wrote: > On Wed, 20 Feb 2002, Nestor Florez wrote: > > > I was wondering about the "shift" inside a subroutine. > > > > I have never used it. What is the purpose of it been there? > > It pulls off the first element of the array passed to it. Using shift > with no arguments always pulls from @_
Brett, Great description with one minor caveat: shift with no arguments will pull from @ARGV if not used in a subroutine. Cheers, Curtis "Ovid" Poe ===== "Ovid" on http://www.perlmonks.org/ Someone asked me how to count to 10 in Perl: push@A,$_ for reverse q.e...q.n.;for(@A){$_=unpack(q|c|,$_);@a=split//; shift@a;shift@a if $a[$[]eq$[;$_=join q||,@a};print $_,$/for reverse @A __________________________________________________ Do You Yahoo!? Yahoo! Sports - Coverage of the 2002 Olympic Games http://sports.yahoo.com -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
