while () { my $boxname; if ( ! ( /^Filesystem/ ) ) { $boxname = $_; } else { while () { my ( $title, $blocks, $used, $avail, $percent, $mounted ) = split /\s+/; last if ( !defined( $title ) ); my $number = ( $percent =~ /(\d*)\%/ ); if ( $number > 88 ) { print "$boxname's $title is at $percent!\n"; } } } }