How to test if a file exists?

Is there a function f that f[`:/path/to/file] returns 0b if /path/to/file does not exist and returns 1b if /path/to/file exists?

Thanks.


ZHUO QL (KDr2) http://kdr2.com

{not ()~key x}

That’ll work for files and directories. 

Terry

thanks


ZHUO QL (KDr2) http://kdr2.com

On Wednesday, January 3, 2018, 11:48:37 PM GMT+8, Terry Lynch <tlyncher@gmail.com> wrote:

{not ()~key x}

That’ll work for files and directories. 

Terry