Re^2: Is it possible to use the open( ) function with piped unix commands?

On perl's side, closing the file handle flushes the data and releases the process (does a waitpid).

On sort's side, the closed input tells sort it's done receiving data so it can proceed to sort and print it.

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Re^3: Is it possible to use the open( ) function with piped unix commands? by Joost (Canon) on Jul 19, 2007 at 15:31 UTC
Yes, but I assumed that perl would close F at end of script, flushing the buffers. ~~Instead, without the close() statement, the program just waits.~~ After some more testing, it appears that I got confused. Perl does close the pipe when you don't do it yourself, but the output is printed just after the new prompt. (which is why i got confused) "What should it profit a man, if he should win a flame war, yet lose his cool?"	[reply]
Re^4: Is it possible to use the open( ) function with piped unix commands? by shaolin (Initiate) on Jul 19, 2007 at 19:43 UTC
Thanks to all for the great feedback. It was really appreciated.	[reply]