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Re^3: Previously unseen error in connection with -X functions

by almut (Canon)
on Oct 31, 2008 at 13:27 UTC ( #720698=note: print w/replies, xml ) Need Help??

in reply to Re^2: Previously unseen error in connection with -X functions
in thread Previously unseen error in connection with -X functions

... (Was it yours too?)

My need to override didn't arise in the context of testing, but with trying to write a 'compatibility module', which would allow to run ancient jperl v5.005 code in a recent version of Perl without modifications (large existing, tested codebase). Specifically, the problem was with trying to transparently convert japanese filenames between legacy and unicode encodings, because 5.005 did not support unicode, while modern versions of Perl cannot easily be configured to operate in the same old way that worked with jperl.

Writing a source filter would have meant being able to reliably identify filename related code fragments in arbitrary Perl code... which I anticipated to be way too complex to get working in the time frame alotted to the project.  (For anyone interested, I eventually decided to take the easiest route of utilising the deprecated USING_WIDE win32-perl macro (no longer available in Perl 5.10), which works reasonably well — In other words, I'm hoping there won't be significant code rot in Perl 5.8.8 before I retire... ;)

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