What is the following code supposed to do?
qr/\.(rtf&ftp)$/
Where in perlre is that way of working documented?
Personally, I wouldn't try to cram the whole logic into File::Find::Rule. I would partition the work as follows:
- Find all files
- Remove all file names that don't end in .rtf or .ftp
- Sort the filenames
- For each .ftp file, look if the file following it has an identical name, except for the last four letters.
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