bin/111711: cat(1) misbehaves with directories as parameters

[Charlie ROOT]

On Mon, 16 Apr 2007, Ricardo Nabinger Sanchez wrote:

>> Description:
> If a directory is passed to cat, it outputs its contents, (sometimes) mangles the terminal, and may misbehave, like in the second run with ". Makefile" as parameters.

This is the expected behaviour.  Directories are files, and directory files
are readable except on broken file systems.

Bruce