Re: [perl #6665] Different behavior using the -Idir option on the command line and

["Rafael Garcia-Suarez" <rgarciasuarez@gmail.com>]

2008/9/29 reneeb via RT <perlbug-comment@perl.org>:
> The -I switch doesn't add the directory to @INC twice with both 5.8.8
> and 5.10.0.

I'd call that a feature.

> @P5P: Is there a reason why -I on the command line adds the directory at
> the beginning of @INC and -I in the shebang line at the end of @INC?

Order of processing: -I on the command-line prepends, because actually
it appends to an empty @INC. Once the perl script is opened, @INC is
initialized.

I suppose that, to be consistent with the docs, -I could be made to
always prepend.

Note, however, that lib.pm prepends, as does PERL5LIB; and why use -I
on the shebang line when you have a perfectly good lib.pm to do what
you want ? :)

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