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version 6.0
Test path name (pathname) 
Number
| Parameter | Type | Description | |
| pathname | String | | Pathname to directory, folder or document |
| Function result | Number |  | 1, pathname refers to an existing document |
| 0, pathname refers to an existing directory or folder | |||
| <0, invalid pathname, OS file manager error code |
Description
The Test path name function checks if a document or folder whose name or pathname you pass in pathname is present on the disk.
If a document is found, Test path name returns 1. If a folder found, Test path name returns 0.
The following predefined constant are provided by 4D:
| Constant | Type | Value |
| Is a document | Long Integer | 1 |
| Is a directory | Long Integer | 0 |
If no document nor folder is found, Test path name returns a negative value (i.e. -43 for File not found).
Example
The following tests if the document "Journal" is present in the folder of the database, then creates it if it was not found:
If (Test path name("Journal") # Is a document)
$vhDocRef:=Create document("Journal")
If (OK=1)
CLOSE DOCUMENT($vhDocRef)
End if
End if
See Also
Create document, CREATE FOLDER.
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