_Added in 1.9.0_

*$longfn(filename)*

Returns the "long version":https://en.wikipedia.org/wiki/Long_filename of a short filename.

*Parameters*

filename - The filename.

*Example*

<pre>
; Get the shortfn of AdiIRC.exe
var %short $shortfn($adiircexe)

; Print the long filename
echo -ag $longfn(%short)
</pre>