Function: f-ext?
f-ext? is a function alias for f-ext-p, defined in f.el.
Signature
(f-ext? PATH &optional EXT)
Documentation
Return t if extension of PATH is EXT, false otherwise.
If EXT is nil or omitted, return t if PATH has any extension, false otherwise.
The extension, in a file name, is the part that follows the last
'.', excluding version numbers and backup suffixes.