You could try something like this:
opendir( my $dir, $dirname );
my @in = grep { /^[^.]/ && -f "$dirname/$_" } readdir( $dir );
closedir $dir;
for my $file (@in) {
open( my $infile, '<', "$dirname/$file" ) or next;
open( my $outfile, '>', "$outdirname/$file" ) or die "can't open f
+ile output/$file: $!";
while ( my $line = <$infile> ) {
$line =~ s/rotate\(-180/rotate\(-0/g;
if ( $line =~ m/$target/ ) {
for my $key (keys %stroke_width_hash) {
$line =~ s/$key/$stroke_width_hash{$key}/g;
}
}
print $outfile $line;
}
close $outfile;
close $infile;
}
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