os.Path.exists
os.Path.exists() checks where a file exists:
CALL os.Path.exists(f_name) RETURNING result
where:
- f_name is a STRING variable standing for the file name to check,
- result is TRUE or FALSE if the file exists or not, respectively.
When you specify a file name, be careful with its case.
UNIX is case-sensitive, so it will treat files which names come in different cases as separate files.
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