[Israel.pm] small debts and large symbols
bruck at actcom.net.il
Fri Oct 15 05:04:25 PDT 2004
The other night at the perl mongers meeting I included a code sample
that used a symbol generated by Symbol::gensym. As it was the subject
matter I skimped over it.
The best reply I can give to some unaswered questions is from the Symbol
The module is described as a module that "manipulate Perl symbols and
The gensym method is described as:
Symbol::gensym creates an anonymous glob and returns a reference to it.
Such a glob reference can be used as a file or directory handle.
and it does.
The rationale given for using it was a claim that using a regular file
handle "might break future multithreading code"
I have neither written nor tested multi-threaded code. So I don't how
much there is to this claim. So there's no reason to rush and replace
all our file handles just yet. However, since it can be used a
filehandle it's possible that some perl programmers do use it that way,
and that such exists in the wild.
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