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Re: tri-state flags
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From:
sthoenna
Date:
December 9, 2001 13:53
Subject:
Re: tri-state flags
Message ID:
g0vE8gzkg6QF092yn@efn.org
Bart Lateur <bart.lateur@pandora.be> wrote:
> grep { defined && !$_ } FLAG
To extend that, if you want to test for (state(s)) use (code):
state code
undef !defined FLAG
0 grep defined && !$_, scalar FLAG;
1 FLAG
undef,0 !FLAG
undef,1 grep !defined || $_, scalar FLAG;
0,1 defined FLAG
undef,0,1 1 :)
Yuck.
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