UniBasic Commands Reference - Rocket Software

STATUS Function Return Values
After you execute OSBREAD, the STATUS function returns one of the values
described in the following table.
Examples
In the following example, the program statement reads 10,000 bytes of the file RFILE
starting from the beginning of the file. The program assigns the data it reads to the
variable TEST.
1-549 UniBasic Commands Reference
OSBREAD TEST FROM 'RFILE' AT 0 LENGTH 10000
In the next example, the program segment reads 15,000 bytes from an NTFS or
UNIX file, starting at the first byte. It then converts ASCII value 10 (a line feed) to a
value mark and processes each line sequentially.
OSBREAD BLOCK FROM INPUT.DIR AT 0 LENGTH 15000
CONVERT CHAR(10) TO @FM IN BLOCK
LOOP
REMOVE REC FROM BLOCK SETTING MORE.RECS
GOSUB PROCESS.REC:
WHILE MORE.RECS REPEAT
Related Commands
UniBasic
Value Description
0 The read was successful.
1 The file name is invalid.
2 Access is denied by the operating system.
3 The file does not exist.
4 An unknown error occurred.
STATUS Function Return Values
CLOSESEQ, OPENSEQ, OSBWRITE, OSCLOSE, OSDELETE, OSOPEN,
READSEQ, WRITESEQ, WRITESEQF