Check if you've got any arguments otherwise default to $_ e.g 
sub def_arg {
  my $arg = @_ ? shift : $_;
  print "got: $arg\n";
}

$_ = "bar";
def_arg("foo");
def_arg();

__output__

got: foo
got: bar

[download]

HTH

_________
broquaint

In reply to Re: passing $_ to my function by broquaint
in thread passing $_ to my function by arc_of_descent

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