From: benoƮt person Date: Tue, 18 Jun 2013 10:26:18 GMT Subject: Re: [PATCH] send-email: allow use of basic email list in --cc --to and --bcc Message-ID: In-Reply-To: <1371549079-19291-1-git-send-email-Jorge-Juan.Garcia-Garcia@ensimag.imag.fr> > +sub split_email_list { > + my(@list) = @_; > + my @tmp; > + my @emails; > + for (my $i = 0; $i <= $#list; $i++) { > + if ($list[$i] =~ /,/) { > + @emails = split(/,/, $list[$i]); > + } else { > + @emails = $list[$i]; > + } > + # Removal of unwanted spaces > + for (my $j = 0; $j <= $#emails; $j++) { > + $emails[$j] =~ s/^\s+//; > + $emails[$j] =~ s/\s+$//; > + } > + @tmp = (@tmp, @emails); > + } > + return(@tmp); > +} Why two regex ? You could do something like : $emails[$j] =~ s/^\s+|\s+$//g; to remove leading and trailing whitespaces at the same time. I think it's better to use the builin 'push' function to concatenate your two arrays: push(@tmp, @emails); Benoit Person