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| No such thing as a small change | |
| PerlMonks |
Re^3: Balance Changeby Roy Johnson (Monsignor) |
| on Feb 08, 2006 at 13:34 UTC ( [id://528893]=note: print w/replies, xml ) | Need Help?? |
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It's not the (lower-case) x operator, it's an (upper-case) unquoted string. Its purpose is to do nothing, but allow there to be a while loop. All the action of the while loop takes place inside its condition.
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