In article <[EMAIL PROTECTED]>,
[EMAIL PROTECTED] (Smoot Carl-Mitchell) writes:
>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 = $_;
>}
Same problem as the last suggestion.
sub test {
my $arg = (@_ ? shift : $_);
}
--
Peter Scott
http://www.perldebugged.com/
*** NEW *** http://www.perlmedic.com/
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>
