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Re^4: Overriding default libs

by xajin24 (Initiate)
on Nov 15, 2012 at 14:19 UTC ( #1004023=note: print w/ replies, xml ) Need Help??


in reply to Re^3: Overriding default libs
in thread Overriding default libs

That worked perfectly, Thanks. How deep(how many sub-directory levels) does perl look when given a path for  use lib /path/... ?


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Re^5: Overriding default libs
by tobyink (Abbot) on Nov 15, 2012 at 14:24 UTC

    It doesn't look any levels down. If you:

    use lib "/tmp"; use Foo::Bar;

    ... then Perl will use "/tmp/Foo/Bar.pm", but not "/tmp/x/Foo/Bar.pm".

    The exception for your CPU architecture name (in your case "x86_64-linux-thread-multi") is due to some trickery by use lib which automatically detects those directories if they exist (and look like proper locations containing architecture-specific libraries), and unshifts two entries onto @INC instead of the normal one.

    perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

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