Do...While vs Do...Until

[guitardave78]

Hey all.
What, if any, is the main reason to use do while vs do until.

They seem to do the same thing, albeit from a different angle.

Do something while a condition is true or do something until a condition becomes true.

Is there a performance difference or is this just down to personal taste?

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[Subsume]

DO UNTIL probably just synonymous with DO WHILE NOT

 

[Sheco]

The flow control expression is tested AFTER the loop is executed at least once.

IMHO the few times when this actually leads to shorter code are not worth the lack of consistancy vs using Do While every time... The developers that follow you and maintain the code will be thankful if you always use the same technique.