sub function1 {
       my ($var) = @_? @_:'no arg';  
       print qq{$var\n};
}
function1(0);
function1('0');
function1('zero');
function1();

[download]
Output:
0
0
zero
no arg

[download]

hth,
PooLpi

Update : 'no arg'

In reply to Re: How to assign string "0" in short circuit by poolpi
in thread How to assign string "0" in short circuit by nikhil.patil

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