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More Special Variables in Perl: Outputs

Written By
JK
Juliet Kemp
Dec 7, 2009

“$| 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.”


Complete Story
JK

Juliet Kemp

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