Synopsis:
   $ftime(<file>)

Technical:
   This function gets the last modified time (mtime) of a file, and returns
   it in seconds since the epoch.

Returns:
   when the file was last modified
   
Example:
   eval echo $stime($ftime(/usr/local/bin/irc))

   "Tue Oct 21 23:30:54 1997"

See Also:
   fexist(6); fsize(6)