fileAccess: Checks the permission of a file or a directory
Description
Checks the permission of a file or a directory.Usage
## S3 method for class 'default':
fileAccess(pathname, mode=0, safe=TRUE, ...)
Arguments
pathname
A character
string of the file or the directory
to be checked. safe
If TRUE
, the permissions are tested more carefully,
otherwise file.access
() is 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.