perl -e "{ local $SIG{__WARN__} = sub { die @_;};eval {warn 'xxx'}; pr
+int 'a:'.
$@}"
__OUTPUT__
a:xxx at -e line 1.

[download]

That is check $@ for success.

If you only check the signature, which is what my quick check into File::Type confirmed that it is doing, there is a risk even if it is remote that another binary file could start with these magic bytes.

In reply to Re^3: check *.tmp wether it's a zip or not by guha
in thread check *.tmp wether it's a zip or not by Anonymous Monk

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