Argox PA-20 Basic Programming Manual - Manual (Page 79)

PT-Basic Programming Manual Ver. 1.00 78/143
BGET
Purpose： To read a byte from a file. The current position is updated
after reading.
Syntax： STR% = BGET # FILEID%
Example： STRING1%=BGET # FILEID%
PRINT CHR$(STRING1%)
Description： STR% is an integer variable to be returned to the result.
FILEID% is an integer variable indicating the file handle.
You can use the GET_FILE_ERROR command to get the
file error code. Possible error codes and their interpretation
are listed below:
GET_FILE_ERROR Meaning
2 File specified does not exist.
7 File not opened
BGETEXT
Purpose： To read a specified number of bytes from a file. The current
position is updated after reading.
Syntax： STR$ = BGETEXT(N%) # FILEID%
Example： STRING1$=BGETEXT(5)#FILEID%
PRINT STRING1$
PRINT "STRING LEN=",LEN(STRING1$)
Description： STR$ is a string to be returned to the result.
N% is an integer indicating the number of bytes to be read.
FILEID% is an integer variable 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.
7 File not opened