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DirExists Function
Description
Used to determine whether a specific directory exists within the operating system.
Syntax
retval = DirExists(path)
Parameters
The function has the following parameters:
| Parameter | Description | |
|---|---|---|
| path | The full path of the directory being tested. | |
Returns
| Value | Meaning |
|---|---|
| -1 | The path does not exist. |
| 0 | The path is valid however it is not a directory. |
| 1 | The path exists. |
Example
* Determine if c:\temp exists
declare function DirExists
declare subroutine Msg
path = "C:\TEMP"
retval = DirExists(path)
begin case
case retval = 0
msg(@window,'The path ':path:' exists but is not a directory.')
case retval = 1
msg(@window,'The directory ':path:' does exist.')
case retval = -1
msg(@window,'The directory ':path:' does not exist.')
end case