[MacPerl-AnyPerl] macperl-anyperl-digest V1 #85

[Randal Cox <randal@integratedGenomics.com>]

>[MacPerl-AnyPerl] overriding filetest operators
>Re: [MacPerl-AnyPerl] overriding filetest operators
>
>----------------------------------------------------------------------
>
>Date: Fri, 30 Jun 2000 15:06:07 -0500
>From: Randal Cox <randal@integratedGenomics.com>
>Subject: [MacPerl-AnyPerl] overriding filetest operators
>
>I was wondering if anyone knows how to override file test operators
>(like -s of -d).  It's easy to override normal functions (e.g., open,
>etc), but Perl issues an error for any subroutine like "sub -r {}"
>
>Any ideas?
>
>Date: Fri, 30 Jun 2000 18:44:11 -0400 (EDT)
>From: Simply Hao <hao@netaxs.com>
>Subject: Re: [MacPerl-AnyPerl] overriding filetest operators
>
>Are you sure you want to do that?  Why not use _s and _d?
>
>Otherwise, you'll probably have to abuse autoload:
>
>    http://ucan.foad.org/~abigail/Perl/Talks/Japhs/autoload.html
>
>Or wrap certain code sections in substitution eval....
>
>- -Hao

Yes, I'd like to do some name checking on file names without having 
to rewrite a bunch of other people's scripts.  It is important that 
the function work just like the -X file tests, so that no code needs 
to be altered.

What I really want to do, is allow for some Unix scripts to run 
unmodified on the Mac.  Unfortunately, those scripts have '/' path 
seperators hard coded.

Finally, it would be really cool to be able to add new file tests... 
but that's just a little whim....

Randal


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