It stops you from accidentally producing two headers. Like, if you're calling some function that prints the header, and you are calling it yourself, you only want the first call to mean anything.

_____________________________________________________
Jeff[japhy]Pinyan: Perl, regex, and perl hacker.
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;

In reply to Re: Why would you want to print duplicate headers? by japhy
in thread Why would you want to print duplicate headers? by scottstef

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