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Foxpro 7.0 "scan" sub directories

Posted on 2010-11-19
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Last Modified: 2012-05-10
Hi,

I have a directory containing a whole slew of folders. Each of these folders contains several FoxPro databases. What I am trying to do is access a DBF of a certain name in each of the folders. Then sum up a certain field in the dbf, and store it in another table. What I need help with is parsing though each of the directories. Pseudocode might look like this:

For each folder in directory X
      set strD = Directory_name
      use sales.dbf
      Sum amount to X1
      copy strD to table Y
      copy X1 to table Y
Next Folder

Thanks for your help experts.
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Question by:FFNOKC
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5 Comments
 
LVL 41

Accepted Solution

by:
pcelba earned 500 total points
ID: 34177512
This is really a short program:

LOCAL lcBaseFolder, lnDirs, laDirs, lnI, lcDir, lnSum

lcBaseFolder = "D:\<YourFolder>\"
lnDirs = ADIR(laDirs, lcBaseFolder + "*.*", "D")

SELECT 0
CREATE TABLE Y (Folder char(100), amount decimal(10,3))
SELECT 0

FOR lnI = 1 TO lnDirs
  IF "D" $ laDirs[lnI, 5]
    lcDir = lcBaseFolder + laDirs[lnI, 1]
    IF FILE(lcDir + "\sales")
      USE (lcDir + "\sales")
      SUM amount TO lnSum
      USE
    ELSE
      lnSum = -1
    ENDIF
    INSERT INTO Y VALUES (lcDir, lnSum)
  ENDIF
NEXT

SELECT Y
GO TOP
BROWSE NOWAIT

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Author Comment

by:FFNOKC
ID: 34191892
pcelba,

When I run this code I get an error saying laDirs is not an array. Does it need to be specifically dimensioned first? I thought VFP automatically created and sized arrays as needed.
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LVL 41

Expert Comment

by:pcelba
ID: 34191942
I supposed it as well...

So, please change the first line to:

LOCAL lcBaseFolder, lnDirs, laDirs[1], lnI, lcDir, lnSum
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LVL 41

Expert Comment

by:pcelba
ID: 34192054
The laDirs can be an array of any dimension, it can even be missing (then private array is created) but it cannot be a single variable prior to the ADIR() function call.

The interesting thing is I don't remember when this error occured in my code in the past...

OTOH, this error message prevents a certain kind of typo bugs in code.
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Author Closing Comment

by:FFNOKC
ID: 34192087
Thanks again. That worked, but it brought me to another question which I will post shortly. :)
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