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RE: RE: Easy, elemental, but cool debug trick.

by questor (Acolyte)
on May 26, 2000 at 22:17 UTC ( #15060=note: print w/replies, xml ) Need Help??

in reply to RE: Easy, elemental, but cool debug trick.
in thread Easy, elemental, but cool debug trick.

Perl has a command-line flag, -P (capital P), which sends its input script through the C pre-processor before perl compilation. I can't recall ever hearing of anybody actually using it, though it's obviously there for a reason, and this sounds like as good a reason as any. (Note that perldoc perlrun warns, 'Because both comments and cpp directives begin with the # character, you should avoid starting comments with any words recognized by the C preprocessor such as "if", "else", or "define".' Also note that you can't define values on the command line; -D sets debugger flags.)
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