Perhaps what you thought wasn't quite what you thought, 
was it acually just waiting for an input for the $radius.
Have you entered a numeric value and then press Enter 
to see the print result?

#will wait for an input from the STDIN 
#which by default is the keyboard.
radius = <STDIN> 

-perlkid

 
 


In reply to Re: A Newcomer can't get the user input!
by perlkid

in thread A Newcomer can't get the user input!
by John11





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