showhex - Show files hexadecimally
==================================

Overview
--------

The showhex program shows the contents of a file hexadecimally.
Address information and information about printable characters
can be added on user's request.

Options
-------

-o		   switches output to octal mode.

-t                 adds information about printable characters.

-t-                deactivates information about printable characters.

-a                 adds address information.

-a-                deactivates address information.

-b <buffer-size>   changes input buffer size.

-h                 prints this help text.

-v                 prints the version number.

-c <options>       saves the specified options (-t, -a, -b) as
                   permanent options.

-r                 ignores the permanent options for this program invokation.
                   Must be used before any other option.

-u                 removes the permanent options.

-C                 shows the permanent options.