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Checks if the specified directory exists
| Number | Type | Compulsory | Default | Description |
|---|---|---|---|---|
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1 |
string |
Yes |
|
Directory name |
Return type: real
Function returns a real scalar with one of three values:
| Index | Description |
|---|---|
| 0 | Directory does not exist |
| 1 | Directory exists with write privilege |
| 2 | Directory exists but with no write privilege |
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