#75226 - 2003-05-30 07:57 PM
array / dir bug
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Christophe-
Fresh Scripter
Registered: 2003-04-28
Posts: 5
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Hi,
This little script illustrates the problem.
In my script I need to use the dir command after the array declaration.
Regards, Christophe.
$path="C:\"
;count the number of files in the dir
$c = 0
$f = Dir("$path\*.txt")
While @error = 0
$c = $c + 1
$f = Dir()
Loop
;declare the array
Global $array[$c,1]
;check the array size
? "-1-"
? Ubound($array,1)
? Ubound($array,2)
;check insert into array
$array[0,0]="test"
;this is the command that screws up my array !
$FileName = Dir("$path\*.txt")
;Check the array size (at execution dimension 2 size is wrong)
? "-2-"
? Ubound($array,1)
? Ubound($array,2)
;Check insert into array (at execution time I have an out of bound error)
$array[0,0]="test"
[ 30. May 2003, 22:20: Message edited by: Christophe- ]
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#75228 - 2003-05-30 09:15 PM
Re: array / dir bug
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Christophe-
Fresh Scripter
Registered: 2003-04-28
Posts: 5
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Hi,
Maybe I was not clear enough.
My problem is not how to deal with dirlist or dirplus but the fact that using the dir command is ruining the array I use in the same script.
May someone please run this script and find if they have the same error I have commented here ?
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#75230 - 2003-05-30 10:19 PM
Re: array / dir bug
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Christophe-
Fresh Scripter
Registered: 2003-04-28
Posts: 5
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Ok for the $x. I did a quick copy and paste from my main script and I forgot a part of it. [I corrected it it the main post]
Anyway this is not important for the test.
Here is my output:
-1-
10
1
-2-
10
193
I also have the error: array reference out of bounds.
If I remove the $FileName = Dir("$path\*.txt") I obtain:
-1-
10
1
-2-
10
1
And I can write in the array without problem.
[ 30. May 2003, 22:21: Message edited by: Christophe- ]
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#75236 - 2003-06-02 05:10 PM
Re: array / dir bug
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Richard H.
Administrator
Registered: 2000-01-24
Posts: 4946
Loc: Leatherhead, Surrey, UK
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I take it all back. I'd definately report this as a bug, Christophe.
It's really weird.
Simplest I can make the code is:
code:
$f = Dir("*",0)
While @error = 0
$f = Dir(,0)
Loop
;declare the array
Global $array[10,99]
;check the array size
"[1] Array ubound should be 99: " Ubound($array,2) ?
$f = Dir("*",0)
"[2] Array ubound should be 99: " Ubound($array,2) ?
This fails with 4.20.
Interestingly,
- If you use index 0 with the first Dir() and index 1 with the second you don't get the problem.
- If you don't exhaust the first loop you don't get the problem.
- If you have more than 2 array dimensions you don't get the problem.
{EDIT}
Update - Fails with latest 4.21 too.
{/EDIT}
[ 02. June 2003, 17:17: Message edited by: Richard H. ]
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#75239 - 2003-06-02 09:03 PM
Re: array / dir bug
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Christophe-
Fresh Scripter
Registered: 2003-04-28
Posts: 5
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Hi Guys,
Thank you for the great support. ![[Smile]](images/icons/smile.gif)
I have found a way to go around the problem (declaring the array at the start of the script and making a function to count the number of files).
However I think that there is a bug as some people could reproduce the problem.
I hope someone will find an explanation or a fix for the other users that may encounter the same issue.
I have to post a new message as now I have another problem ![[Confused]](images/icons/confused.gif)
[edit] I think I won't need to post as I'm in my way to find a solution to my problem
[ 02. June 2003, 21:36: Message edited by: Christophe- ]
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#75240 - 2003-06-03 09:31 AM
Re: array / dir bug
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Richard H.
Administrator
Registered: 2000-01-24
Posts: 4946
Loc: Leatherhead, Surrey, UK
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quote:
Richard, did you try moving the global declaration to the beginning of the script?
No, because I was determining whether or not there is a bug in place rather than a way of avoiding it.
It appears that there is, and it may be significant as it implies that there is uninitialised memory used somewhere.
It needs to be reported as a bug as it may impact more than simply global variable declaration.
quote:
Looks like a DIR() problem whne restarting the DIR enumeration with the same enumeration handle as this works:
Yes, see the first bullet point in my last post ![[Wink]](images/icons/wink.gif)
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