-sub file_pruned ($$) {
- require File::Spec;
- my $file=File::Spec->canonpath(shift);
- my $base=File::Spec->canonpath(shift);
- $file =~ s#^\Q$base\E/+##;
+sub file_pruned ($;$) {
+ my $file=shift;
+ if (@_) {
+ require File::Spec;
+ $file=File::Spec->canonpath($file);
+ my $base=File::Spec->canonpath(shift);
+ return if $file eq $base;
+ $file =~ s#^\Q$base\E/+##;
+ }