my @arr = (); while () { chomp; if( /^ENTRY/ ) { $entry = $_ } elsif ( /^(TITLE)\s+(\S.*)/ ) { $title = "$1\n\t $2" } elsif ( /^(ORGANISM)\s+(\S.*)/ ) { $org = "$1\n\t $2" } elsif ( /^ACCESSIONS/ ) { $acc = $_ } else { push @arr, $_; } } print "@arr\n";