...printf or sprintf in order to get only 3 decimal places...

According to perldoc -f sprintf, do it this way:

printf "$l,$j,%.3f,%.3f,%.3f,%.3f\n", $Hx, $Hy, $Hxy, $mutual;

Cheers, Sören

In reply to Re: use of print f and sprint f by Happy-the-monk
in thread use of print f and sprint f by replicant4

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