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Re^3: Range Operator in If Statement

by ambrus (Abbot)
on Jan 05, 2012 at 11:43 UTC ( #946373=note: print w/replies, xml ) Need Help??

in reply to Re^2: Range Operator in If Statement
in thread Range Operator in If Statement

If you have multiple consecutive intervals, it's better to use an elsif cascade, such as

if ($ref <= 8) { say "ref is at most 8."; } elsif ($ref <= 16) { say "ref is above 8 but at most 16." } elsif ($ref <= 24) { say "ref is above 16 but at most 24." } elsif ($ref <= 32) { say "ref is above 24 but at most 32." } else { sat "ref is above 32." }
The elsif part means that if the previous condition was found true, the next one is not tested for, so eg. if $ref = 5 then the first branch is executed, the rest of the tests and branches are skipped.

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