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More Special Variables in Perl: Outputs

Dec 07, 2009, 19:03 (0 Talkback[s])
(Other stories by Juliet Kemp)


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"$| If this is set to a non-zero value, it forces an immediate buffer flush, and then a flush after every write or print. The default is zero, which means some buffering is done. If you're writing to a file, you're not likely to be too worried about this, but if you're writing to a pipe or a socket, you may want to be sure your output doesn't wait around."

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