Derives a CRC32 value from the contents of a file
Usage:
crcFile (object me, string filePath)
Parameters:
filePath (string) - The path to an existing file for hashing
Returns:
(string) - CRC32 character string
Example:
xtRose = xtra("Rosetta").new( )
xtRose.crcFile( "C:\Program Files\Macromedia\Director 8.5\Dirapi.dll" )
Notes: