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It is stupidly complicated to detect whether a given scalar is a filehandle (or something filehandle like) in Perl. This module attempts to do so, but probably falls short in some cases. The primary advantage of using this module is that it gives you somebody to blame (me) if your code can't detect a filehandle. The main use case for IO::Detect is for when you are writing functions and you want to allow the caller to pass a file as an argument without being fussy as to whether they pass a file name or a file handle. WWW: http://search.cpan.org/dist/IO-Detect/ Feature safe: yes
11 lines
568 B
Plaintext
11 lines
568 B
Plaintext
It is stupidly complicated to detect whether a given scalar is a filehandle (or
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something filehandle like) in Perl. This module attempts to do so, but probably
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falls short in some cases. The primary advantage of using this module is that it
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gives you somebody to blame (me) if your code can't detect a filehandle.
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The main use case for IO::Detect is for when you are writing functions and you
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want to allow the caller to pass a file as an argument without being fussy as to
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whether they pass a file name or a file handle.
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WWW: http://search.cpan.org/dist/IO-Detect/
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