How about checking against a list of known good filenames?

Also something like this might work: die "Invalid name" unless $filename =~ /^[a-zA-Z0-9]+$/;

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: How to avoid Null Byte Injection by Joost
in thread How to avoid Null Byte Injection? by Nik

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