return the path of a file in a temp dir location with a unique name. fnFmt should be a file name (without directory) containing "%s" for use with std.format. It is used to insert a unique random string in the path.
See Implementation
return the path of a file in a temp dir location with a unique name. fnFmt should be a file name (without directory) containing "%s" for use with std.format. It is used to insert a unique random string in the path.