When the child process starts up, the value of $extflag is 0. The child process therefore inherits a copy of $extflag with the value 0. The copy of $extflag in the child is completely separate to the copy in the parent so changing the copy in the parent after the fork has no effect on the child.

--

<http://dave.org.uk>

"The first rule of Perl club is you do not talk about Perl club." -- Chip Salzenberg

In reply to Re: Global variable acts like local variable why? by davorg
in thread Global variable acts like local variable why? by madtoperl

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