Re: [FWP] A major screw-up: infinite loop

[Philip Newton <philip.newton@datenrevision.de>]

Paul King wrote:
> The main part of my program consisted of an outer loop:
> 
> $upper = 2048;
> for  ($i = 1; $i <= $upper; $i ++) {
>    $date = &getadatestringfromsomewhere();
>    $my_date = &parseDate($date); # return a different date format
> }
> 
> This loop never got as far as 2048. In fact, it looped 
> infinitely at $i = 13, after processing $i = 1 only once,
> and skipping $i = 2 to 12. This had me stumped for the
> better part of two days.

Let me guess -- you didn't use scope-local (i.e. 'my') variables, and
parseDate() clobbered on your global variable $i?

You *did* run this program with both -w and 'use strict;'?

Cheers,
Philip

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