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DarkBASIC Professional Discussion / Problem with REPEAT or array

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aerostudios
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Posted: 17th Nov 2009 21:38
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Hi all, anybody see anything wrong with this code?



Every time I run this I get

"Runtime Error 118 Array does not exist or out of bounds at line 16"

The file is a simple text file containing a line of data with a space as the delimiter.

Russell B. Davis/aerostudios
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BillR
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Posted: 17th Nov 2009 21:53 Edited at: 17th Nov 2009 21:54
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It would help if you would attach the text file so we can test it.
But, are there more than 8 words in the first string of the text file you are parsing,
you have only dimmed the array to 8 and line 16 may exceed the 8 array elements.
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IanM
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Posted: 17th Nov 2009 21:54
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I'#d guess that your simple file has more than 8 fields in it

Utility plug-ins collection (updated 22 Oct 2009) and
http://www.matrix1.demon.co.uk
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Green Gandalf
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Playing: Malevolence:Sword of Ahkranox, Skyrim, Civ6.
Posted: 17th Nov 2009 22:07
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Seems to work fine for me.

How many items have you got on a line?
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aerostudios
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Posted: 17th Nov 2009 22:10 Edited at: 17th Nov 2009 22:13
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Here is the first few lines of the text file;

ID X Y HDG USE AIRLINE ALT 1 ALT 2
D1 -295.05 -736.28 220 CIV NA NA NA
D2 -305.99 -726.02 220 CIV NA NA NA
D3 -316.93 -715.76 220 CIV NA NA NA
D4 -327.88 -705.5 220 CIV NA NA NA
D5 -364.61 -671.04 220 CIV NA NA NA
D6 -375.56 -660.78 220 CIV NA NA NA
D7 -386.5 -650.52 220 CIV NA NA NA
D8 -397.44 -640.25 220 CIV NA NA NA
D9 -408.38 -629.99 220 CIV NA NA NA
D10 -419.32 -619.73 220 CIV NA NA NA
V1 225.97 -139.05 0 CIV NA NA NA
V2 210.97 -139.05 0 CIV NA NA NA

It is saved as a TXT file and there are no spaces past the 8 elements on each line. Is it the CR/LF possibly the cuplrit? I increased the array to 10 elements instead of 8, and it worked.

The first line is a header, and I simply throw it away; that's why its called 'trash$' in the beginning. So the extra space between ALT 1 and ALT 2 is not the problem. Even if I remove that line, I experience the problem.

Russell B. Davis/aerostudios
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Green Gandalf
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Posted: 17th Nov 2009 22:17
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It's because you try to access tempitem$(9) BEFORE testing whether you have reached the end of the line:

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aerostudios
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Posted: 17th Nov 2009 22:23
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Ahha,, thanks. I'm new to this REPEAT command so I don't quite have my understanding of it. Added an IF B$<>"" before adding to the array and that fixed it.

Russell B. Davis/aerostudios
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Green Gandalf
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Posted: 17th Nov 2009 22:28
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There are two basic conditional loops in DBPro:

while <condition>
endwhile

and

repeat
until <condition>

In the while loop the condition is tested BEFORE the loop commands are executed.

In the repeat loop the condition is tested AFTER the loop commands are executed.
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aerostudios
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Posted: 17th Nov 2009 23:02
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I appreciate it very much. I come from a VB background, so some of these DBPro commands are not quite the same. Thanks!

Russell B. Davis/aerostudios
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