
PT-Basic Programming Manual Ver. 1.00 75/143
3.15 File manipulation commands
3.15.1 Standard Commands
Opens file for reading operation only. Error will be returned
if target file does not exist.
Opens existing files for both reading and writing operations.
Error will be returned if target file does not exist.
Create a file and open it for both reading and writing. If
target file does exist, current contents are destroyed.
To open (r mode) a file and get the file for further
processing.
FilePath$="C:\DATA\Test.DAT"
fileID%=OPENIN FilePath $
F% is an integer variable to assigned to the result.
Open successfully.
It returns the file handle.
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:
Filename is a NULL string.
Can't create file because the
maximum number of files
allowed in the system is
exceeded.
File path error.
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