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Postings from April 2000
David Glasser (lists.p5p): >Does this make anybody happy? A few (minor) changes would make me very happy indeed. In the spirit of not exposing the internals to the ordinary user, I think we may want to avoid talking about opcodes. Also, the error message is displayed by perl, not by the program! :) --- pod/perldiag.pod~ Wed Apr 5 13:28:50 2000 +++ pod/perldiag.pod Wed Apr 5 13:33:06 2000 @@ -3360,6 +3360,13 @@ interpreted as a "" or a 0, but maybe it was a mistake. To suppress this warning assign a defined value to your variables. +To help you figure out what was undefined, perl tells you what operation you +used an undefined value in. Note, however, that perl optimizes your program +and the operation displayed in the warning may not necessarily appear literally +in your program. For example, C<"that $foo"> is usually optimized into C<"that +" . $foo>, and the warning will refer to the C<concatenation (.)> operator, +even though there is no C<.> in your program. + =item Useless use of "re" pragma (W) You did C<use re;> without any arguments. That isn't very useful. -- `And when you've been *plonk*ed by Simon C., you've been *plonked* by someone who knows when, and why, and how.' - Mike Andrews, asr