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Argox PA-20 Basic Programming Manual User Manual

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PT-Basic Programming Manual Ver. 1.00

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OPENUP

Purpose: To open (r+) a file and get the file for further processing.

Syntax: F% = OPENUP filename$

Example: FilePath$="C:\DATA\Test.DAT"

fileID%=OPENUP FilePath $

Description: F% is sn integer variable to be assigned to the result.

F%

Meaning

0

Open file failed.

Other

Open successfully. It returns the file.

filename$ is a string variable, indicating the file path.

In case of error, open will return an integer value of 0. You

can use the GET_FILE_ERROR command to get the file

error code. Possible error codes and their interpretation are

listed below:

GET_FILE_ERROR Meaning

1

Filename is a NULL string.

6

 Can't create file because the

maximum number of files

allowed in the system is

exceeded.

 File path error.

CLOSE

Purpose: To close a file.

Syntax: CLOSE # F%

Example: CLOSE # FILEID%

Description: F% is an integer indicating the file handle.

You can use the GET_FILE_ERROR command to get the

file error code. Possible error codes and their interpretation

are listed below:

GET_FILE_ERROR Meaning

2

File specified does not exist.

8

File not opened