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#!/usr/bin/perl
use POSIX;
...
    }
} while ($choice eq 'y');

`cl'
    String of commands to clear the entire screen and position the cur
+sor 
...
    Numeric value, the width of the screen in character positions.
`li'
    Numeric value, the height of the screen in lines.

 > 
 > 
...
y
What is the correct number: