#!/usr/bin/perl while(<>) { ($key) = ($_ =~ /([^=]*)=(.*)$/); ($value) = ($_ =~ /^[^=]*=(.*)$/); if( $key eq "AutoPasteCaseInsensitive" and $value eq "false" ) { print "# DELETE " . $key . "\n"; print "AutoPasteCaseSensitive=true\n"; next; } print $_; }