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Re: Four annoying warnings

by BrowserUk (Pope)
on Dec 09, 2012 at 00:37 UTC ( #1007938=note: print w/replies, xml ) Need Help??

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  1. or download this
    C:\test>perl -M-warnings=uninitialized,numeric,once,void -E"123;$x=1;p
    +rint $y; 'A'+0"
    
    ...
    Name "main::x" used only once: possible typo at -e line 1.
    Use of uninitialized value $y in print at -e line 1.
    Argument "A" isn't numeric in addition (+) at -e line 1.
    
  2. or download this
    C:\test>perl -wE"say (1+2)*3"
    say (...) interpreted as function at -e line 1.
    Useless use of multiplication (*) in void context at -e line 1.
    3
    

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[choroba]: I don't see it when XP doesn't change either
[marinersk]: That has always been its behavior, but I'm a visual/spacial- awareness guy. When the node disappears, it messes with my head, even though it is on the right margin.
[marinersk]: I was hoping there was a way to turn it on and make it stay on.

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