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How DataEase Assigns DOS Filenames


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How DataEase Assigns DOS Filenames

When you save a new document and table, DataEase creates many DOS files distinguished by different filename extensions:

File Type                                              Filename Extension

Table Definition                                     TDF

Table                                                     DBM

Document                                              FRM

Style Sheet File                                     STY

Index                                                      Inn

 

NOTE: DataEase creates a separate Index file for each column you index. The nn in the DOS filename for an Index file is a two-digit hexadecimal number that represents the relative position of the indexed field.

DataEase uses the following four rules to create the filename for each DOS file it creates:

 

1. The first four characters in the document name are the first four characters in the filenames Table Definition, Table Data, and Document file.

For example, DataEase uses CLUB as the first four characters when creating the DOS filename for the CLUBS database table (i.e., CLUBCAAA.TDF).

 

2. The first four characters in the Style Sheet name are the first four characters in the Style Sheet filename.

For example, DataEase uses CLUB as the first four characters when creating the DOS filename for the Club ParaDEASE Style Sheet (i.e., CLUBCAAA.STY).

 

3. The first letter in the application name is always the fifth letter in the DOS filenames it creates.

For example, DataEase uses the letter C as the fifth letter in each DOS filename it creates for the Club ParaDEASE application. Thus, DataEase uses CLUBC as the first five characters when creating the DOS filename for the CLUBS Multiform.

 

4. DataEase derives a unique filename for each DOS file by automatically incrementing the letters assigned to each type of file when assigning the last three letters in its filename.

For example, when you create the CLUBS table, DataEase names the Table Definition file CLUBCAAA.TDF. If you subsequently create the CLUB ACTIVITIES table, DataEase names the second Table Definition file CLUBCAAB.TDF (incrementing the last three letters from AAA, to AAB, to AAC, etc.).

 

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On the forum about How DataEase Assigns DOS Filenames

[@EOF@]...

Product: . Written by alembagheri tahmas 07/12/13 at 13:37:32

Hi there,I am trying to use an external MySQL DB in dataease. I have successfully create the ODBC link and added the DB to dataease. I can also access the DB from dataease. Now, just for testing purposes, I am trying to create a simple report b...

Product: DataEase for Windows 7.x. Written by George Washington 11/04/14 at 08:26:17

no se pude exportar ahora archivos a pdf, ni a excel o otros cosa mala. en verdad creo que hace faltaen las versiones anteriores me funcionaba mas o menos bien. le hace falta a los aplicativos que se desarrollan en Dataeasegr...

Product: DataEase 8 Reporter. Written by eduardo paez 02/05/14 at 14:40:11

Thanks. Anyway I'm trying to use this fuction but it seems to me that it doesn't work on 8.2. I tried also in a DQL.There's something wrong?<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA9IAAAJ3CAYAAAB4NWk3AAAAAXNSR0IArs4...

Product: . Written by Marco Marchesi 15/02/16 at 14:50:46

[@EOF@]...

Product: Dataease [{8}]FIVE. Written by Chamil Rajindra 21/02/19 at 10:17:46

Thanks for the very good explanation!AS...

Product: . Written by afonso santos 28/10/19 at 00:50:14

I am pleased to see that the migration from Dos 4.53 is then sa 5.5 works. A really useful thing would be a compiler of SQL languages. Will you get there?Original Text:Mi compiaccio a vedere che la migrazione da Dos 4.53 รจ poi sa 5.5 funzio...

Product: . Written by Grossi Gioacchino 18/11/19 at 14:33:44

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