Reference Guide > W Routines > WoCheckFile Function
  

WoCheckFile Function
Confirms if a file is readable or writable.
Usage
status = WoCheckFile(file)
Input Parameters
file — A string containing the name of the file to check.
Returned Value
status — If 1, the file can be used for the given operation; if 0, the file cannot be used.
Input Keywords
Read — If specified and nonzero, the function verifies that the file is readable.
Write — If specified and nonzero, the function verifies that the file is writable.
Output Keyword
FullName — Returns a string containing the expanded filename. Constructs like ~user and $ENV_VAR are expanded.
Size — Returns the size of the file in bytes.
Example
The following expression is used in the code for the VDA Tool WzExport to determine if a given file can be written to.
...
IF NOT WoCheckFile(file_name, /Write) THEN RETURN, '' 
...

Version 2017.1
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