afile - display type and creator of Apple Macintosh files (netatalk
apple_file [-a] file...
apple_file displays the name and Macintosh type and creator of the file
arguments. Tests whether the file is an AppleDouble header, in which
case it checks the corresponding data fork exists, or assumes it is a
data fork in which case it looks for the corresponding AppleDouble to
find the type/creator information.
apple_file does not look at any of the extension mapping files such as
Include directories and data files of unknown type (i.e. without
corresponding AppleDouble) in output.
returns exit status 0 if all files have a corresponding valid
.AppleDouble header or data fork, or 99 for bad command line options.
Otherwise it returns the following error code relating to the last
1 file doesn´t exist
2 file is unreadable
3 file is directory
4 file is AppleDouble without data fork
5 file is AppleDouble with unreadable data fork
6 file is data fork without AppleDouble
7 file is data fork with unreadable AppleDouble
8 file is data fork with short AppleDouble
9 bad magic in AppleDouble