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Re^5: use of print f and sprint f

by blokhead (Monsignor)
on Nov 10, 2004 at 16:50 UTC ( #406717=note: print w/ replies, xml ) Need Help??

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  1. or download this
       %n   special: *stores* the number of characters output so far
            into the next variable in the parameter list
    
  2. or download this
    my $name   = ...; ## from user input
    my $amount = ...;
    ...
    
    # instead of
    # printf "%s : \$%.02f\n", $name, $amount;
    
  3. or download this
    $name = (" " x 5000) . "%n";
    

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