R.utils (version 1.2.0)

fileAccess: Checks the permission of a file

Description

Checks the permission of a file.

Usage

## S3 method for class 'default':
fileAccess(pathname, mode=0, safe=TRUE, ...)

Arguments

pathname
A character string of the pathname to be checked.
mode
An integer...
safe
If TRUE, the permissions are tested more carefully, otherwise file.access() is used.
...
Not used.

Value

  • Returns an integer; 0 if the permission exists, -1 if not.

Details

In Rthere is file.access() for checking whether the permission of a file. Unfortunately, this function cannot be 100% trusted depending on platform used and file system queried, cf. [1].

References

[1] R-devel thread file.access() on network (mounted) drive on Windows Vista? on Nov 26, 2008.

See Also

file.access()