fileAccess {R.utils}R Documentation

Checks the permission of a file or a directory

Description

Checks the permission of a file or a directory.

Usage

## Default S3 method:
fileAccess(pathname, mode=0, safe=TRUE, ...)

Arguments

pathname A character string of the file or the directory to be checked.
mode An integer (0,1,2,4), cf. file.access().
safe If TRUE, the permissions are tested more carefully, otherwise file.access() is used.
... Not used.

Details

In R there 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].

Value

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

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

References

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

See Also

file.access()


[Package R.utils version 1.3.2 Index]