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Re: Same is different?

by DrZaius (Monk)
on May 29, 2001 at 19:26 UTC ( #83979=note: print w/replies, xml ) Need Help??


in reply to Same is different?

Does this mean that CGI isn't always with you if you are trying to build a portable system?

This is complete theory, but merlyn suggested in a previous node that in the worst case you can include the contents of CGI in a BEGIN block.

If there are platform specific variables, this means you have to change your code for different platforms.

Same deal with use lib.

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Re: Re: Same is different?
by BooK (Curate) on May 29, 2001 at 19:39 UTC

    I think this mostly means I am a stupid wheening moron... :-S

    In my obfuscated code, I assumed that the same version of CGI.pm would be identical (except for line-endings) on every platform Perl runs on. This is false. But the differences are in fact very tiny (a few lines), and mostly regard configuration parameters, which actually and naturally change between platforms and installs.

    I think the Perl core (and CGI is part of the standard distribution) is you best bet at portable code. This doesn't include Obfuscation, that's all... :-)

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[choroba]: Woohoo! Fixed a test that hasn't run for 3 years.
[marinersk]: Corion Yes, sometimes whitespace in column headers is acceptable, but I still consider it be less than desireable if that query might get revectored for an ETL-esque process...
[marinersk]: choroba++
[choroba]: it's a long running test, so it's normally skipped unless an env var is set
[choroba]: nobody has been bothered to set the variable in the last 3 years
[marinersk]: sub newtest{my $expected_result = &target('foo'); my $actual_result = &target('foo'); if ($actual_result eq $expected_result) { &tdd_success(); } else { &tdd_fail(); } } # Test works after three years!
[choroba]: or nobody bothered...
[choroba]: The problem was bigger, as the test tried to call a method that didn't exist anymore
[marinersk]: :: ducking ::
[choroba]: because, someone renamed the method, but didn't notice it was used in the test, as the test was skipped

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