---------- Forwarded message ---------- From: Philippe Aerts <[EMAIL PROTECTED]> Date: 20-sep-2005 20:04 Subject: Re: Hash of Arrays To: Christopher Spears <[EMAIL PROTECTED]>
Hi Christopher, The syntax of the split command is split /PATTERN/,EXPR,LIMIT Limit specifies the maximum numbers of fields the EXPR will be split into. You might want to check out http://search.cpan.org/dist/perl/pod/perlfunc.pod hope this helps Regards, Phil 2005/9/20, Christopher Spears <[EMAIL PROTECTED]>: > > I've been learning about data structures by reading > the Programming Perl book. Here is a code snippet: > > while ($line = <>) { > ($who, $rest) = split /:\s*/, $line, 2; > @fields = split ' ', $rest; > $HoA{$who} = [ @fields ]; > } > > The part that confuses me is: > > ($who, $rest) = split /:\s*/, $line, 2; > > I understand that it takes the input and splits it > into two parts along the regular expression, but I > can't figure out what the 2 means. > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > <http://learn.perl.org/> <http://learn.perl.org/first-response> > > >
