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Re: When do you include the usual use pragmas in your example code?

by davido (Archbishop)
on Aug 03, 2013 at 16:45 UTC ( #1047723=note: print w/replies, xml ) Need Help??

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    Node Type: note [id://1047723]
    [1nickt]: Good morning Monks and Monkettes!
    [1nickt]: I have encountered a small code snippet I can not decipher: if ($?) { my $status = $? >> 8; ... }
    [1nickt]: Hm, found the doc
    [hippo]: >> is the bitwise shift, essentially divides the result by 256.
    [haukex]: $? and system - the exit code of a process is stored in the upper bits of $?, so >> 8 does a bit shift to get at it
    [hippo]: (truncating)
    [erix]: aah, yes haukex++
    [hippo]: Re: DBD::Sqlite queries slow - and gives wrong results has 6 upvotes. Is everyone quite well?

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