#!/usr/bin/perl -w use strict; use warnings; while (my $line=<>) { my @part=split(/\t/,$line); my @saba=split(/\|/,$part[2]); for(my $i=0;$i<@saba;++$i) { if ($saba[$i]!~m/unclassified/) {(if $i==$saba){print "$_\n";} else {print "$_|";} } else {if ($i==$saba){print "unclassified_$saba[$i-1]\n";} else {print "unclassified_$saba[$i-1]|";} } } } #### syntax error at ./claskri.pl line 13, near "(if" Global symbol "$saba" requires explicit package name at ./claskri.pl line 13. syntax error at ./claskri.pl line 16, near "else" Global symbol "$i" requires explicit package name at ./claskri.pl line 17. Global symbol "$saba" requires explicit package name at ./claskri.pl line 17. syntax error at ./claskri.pl line 18, near "else" Execution of ./claskri.pl aborted due to compilation errors.