Read ASCII File in Clarion 6.3

[mlowe9]

I am trying to read an ASCII file in Clarion 6.3, and I'm having a little trouble with it. I've tried 2 methods, one where I define the file using FILE,DRIVER('ASCII'... and one using the AsciiFileClass, but I can't get either to work for me.

Could someone please give me some very simple sample code using either method that I can use as a base? I've tried using the examples in the Help files, but also to no avail.

Thank you in advance.

 

[ShankarJ]

Hi!

The first thing I need to know is what is the format of the file you are reading i.e. does it have data separators, is it fixed length, etc? If you past the first few lines here it will help me understand your requirement better.

An example is shown below ::

1. Add ASCII driver to your project Database Drivers.

2. Data Section of procedure ::

ADTFILE FILE,DRIVER('ASCII'),PRE(ADT),NAME(GLO:ADTFile),CREATE
RECORD RECORD
Data STRING(194)
. .

3. Code Section - in the embed you want ::

OPEN(ADTFile, 12H)
IF ERRORCODE() ... END

SET(ADTFILE)
LOOP
NEXT(ADTFILE)

IF ERRORCODE() THEN BREAK.

...
END

CLOSE(ADTFILE)

Regards

 

[mlowe9]

Beautiful. I think that's sufficient. I'll be back if I get stuck again, but this is what I was looking for.

I was missing the database driver and the SET command. What exactly does the SET command do?

 

[ShankarJ]

Hi!

SET() for an ASCII/BASIC/DOS driver, it initiates sequantial processing from the beginning or at a particular byte offset.

Regards