Description
Close an operating system file that has been opened with an OSOpen statement.
Syntax
OSClose filevar
Parameters
The OSClose statement has the following parameter.
| Parameter | Description |
|---|---|
| filevar | The variable to which the operating system file was assigned when it was opened with an OSOpen statement. |
You must specifically close any file opened with OSOpen.
Returns
After the execution of an OSClose statement, the Status() of the close is returned with one of the following codes:
| Value | Meaning |
|---|---|
| 0 | No error. |
| 1 | Bad OS filename. |
| 2 | Access denied by operating system. |
| 3 | Disk or directory full. |
| 4 | File does not exist. |
| 5 | Unknown error. |
| 6 | Attempt to write to a read-only file. |
See Also
OSBRead, OSBWrite, OSDelete, OSOpen, OSRead, OSWrite
Example
/* This code reads an existing OS file and copies it in 100 character chunks to a new OS file */ Equ RECSIZE$ To 100 readOffset = 0 writeOffset = 0 filename = "c:\temp\my_data.txt" newFileName = "c:\temp\my_new_data.txt" oswrite "" To newFileName ; * create the new file OSOpen filename To inputFileHandle then OSOpen newFileName To outputFileHandle Then Loop OSBRead data From inputFileHandle At readOffset length RECSIZE$ error = status() Until data = NULL$ readOffset += RECSIZE$ OSBWrite data On outputFileHandle At writeOffset writeOffset += RECSIZE$ Repeat end else error = status() end End else error = status() End osclose inputFileHandle osclose outputFileHandle
