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Re: Re: Using $_ as a temp var, especially in functions

by converter (Priest)
on Oct 23, 2002 at 04:24 UTC ( [id://207293]=note: print w/replies, xml ) Need Help??

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  1. or download this
    local $_ = shift;
s/\A[ \t]+//;
...
tr/a-zA-Z0-9//cd;
return unless length;
...
  2. or download this
    my $x = shift;
$x =~ s/\A[ \t]+//;
...
$x =~ tr/a-zA-Z0-9//cd;
return unless length $x;
...

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