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Re^3: Off by one key... or yet another example of why strict and warnings are always a good idea (even for "one-liners")

by LanX (Sage)
on Jul 18, 2019 at 21:02 UTC ( #11102991=note: print w/replies, xml ) Need Help??

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  1. or download this
    C:\>perl -w
    print $x
    ...
    Use of uninitialized value $x in print at - line 1.
    
    C:\>
    

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