my $row =""; my $inarray=0; my $cmd = "Command"; open $fd, "$cmd|" while (<$fd>) { chomp; if (/^array|^unassigned/){ print "$row\n" if $inarray; $row=$_; $inarray=m/^array/; next; } next unless $inarray; $row .= " $_"; } print "$row\n" if $inarray; close($fd);