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Re: if (open(FH, $path)) { ?

by haoess (Curate)
on May 03, 2004 at 14:48 UTC ( #350026=note: print w/ replies, xml ) Need Help??


in reply to if (open(FH, $path)) { ?

If you use -r, -w, -x etc. in your programm, be sure not to get race conditions. These are often misused functions. The right way is: Try to do what you want (= read file), and print an error message if that fails. The other way round is: Can I do this, can I do that? and then perform your action. This is the race condition, because between your tests and your action many things can change (i. e. file permissions).

-- Frank


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