On Fri, 02 Apr 2004 10:37:14 -0600
"JupiterHost.Net" <[EMAIL PROTECTED]> wrote:
> It just occurred to me that many Perl functions use $_ if not other
> value is supplied. chomp for instance..., which is very handy...
>
> If one wanted to write a function that used either the given argument
> or $_ how would you do that?
$_ is global, so do something like:
sub test {
my $arg;
$arg = shift or $arg = $_;
}
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Smoot Carl-Mitchell
Systems/Network Architect
email: [EMAIL PROTECTED]
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