BE_FileExists ( path )
Checks if the file or folder given in the path exists and returns True or False. For folders it accepts the name of the folder (and reports existence correctly) with or without a trailing "/".
Version : 1.0
path : a system file path.
Result : True ( 1 ) if the file exists, False ( 0 ) or ? if the path doesn't correspond to a file - ie file not found.