You could use
File::Find to solve your problem. But, if you have no need to find files
recursively throughout a directory tree (and you have not given any indication that you need to), then I would recommend using
opendir and
readdir instead.
This approach still does not use a single regex to match the filenames, but it is worth considering. This code is UNTESTED:
use File::Basename;
# Get all files in the directory which look like t*.class
opendir my $DIR, $dirname or die "can not open $dirname: $!";
my @files =
grep { -f "$dirname/$_" } # choose only plain files
grep { /t.*\.class$/ } # pattern match
readdir $DIR;
closedir $DIR;
# Now select only those files whose name has exactly one $
# between the "t" and ".class"
my @files2;
for my $file (@files) {
my $base = basename($file);
$base =~ s/\$//;
push @files2, $file if $base eq 'testfile.class';
}
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