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Newcomers DBPro Corner / WHILE ... WEND

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Otrebor
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Posted: 28th Sep 2003 18:24
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QBASIC program:

WHILE (a < = b)
rem loop
WEND
rem continue


I try to use WHILE...ENDWHILE in DB, but don´t work !
Any help ?
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spooky
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Posted: 28th Sep 2003 18:56
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Try:



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Otrebor
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Posted: 28th Sep 2003 20:01
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spooky,

Don´t work...but i found a mode:

a=1
b=10
REPEAT
PRINT a
INC a
UNTIL (a < = b)
PRINT " end loop "
WAIT KEY

The "UNTIL" command has the same result.
Anyway thank´s !
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David T
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Posted: 28th Sep 2003 20:06
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How does it not work for you? I get a list of numbers from 1 to 10:



c:/dos
c:/dos run
run dos run
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BatVink
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Posted: 28th Sep 2003 20:14
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UNTIL is not the same as WHILE

WHILE will leave as soon as it hits the criteria.
UNTIL will hit the criteria, then do it one more time.

It's all down to the point where it leaves the loop.

BatVink (formerly StevieVee)
http://facepaint.me.uk/catalog/default.php
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spooky
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Posted: 28th Sep 2003 20:41
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I still don't understand why code dont work for you. Can you please tell me what DB you are running (DB Classic or DB Pro) and what patch you are running.

What error does it give you?

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OSX Using Happy Dude
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Posted: 28th Sep 2003 23:27
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Remember that a WHILE statement can be executed 0 (ie it doesn't do anything in the WHILE/ENDWHILE section) or more times, whilst REPEAT/UNTIL must be executed at least once.


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Otrebor
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Posted: 29th Sep 2003 00:05
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Ooops...sorry, my fault !
When tried i put the symbol " < " separate of " = ".
Work´s fine.

Thank´s again !!
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