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From: Thorsten Kampe <thorsten AT thorstenkampe DOT de>
Subject:  Re: Shift-Tab for Backwards Completion
Date:  Wed, 18 Jun 2008 22:12:43 +0200
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* Frank Jacobs (Tue, 17 Jun 2008 14:49:18 -0500)
> I've used the solution below so that I can go back in the completion
> list in Bash via the SHIFT-TAB keystroke. However, I can only get it
> to work when running in an xterm window (where $TERM=xterm). It
> doesn't work in the plain-ol' Windows console window (where
> $TERM=cygwin).
> 
> The research that I've done has pointed me to termcap as a possible
> suspect. Grokking termcap is going to take me a while. Before I go
> down a possible dead end, does anyone have any comments on why
> SHIFT-TAB doesn't work when running Cygwin/Bash in a Windows console
> window? (By "doesn't work" I mean that SHIFT-TAB behaves the same as
> pressing TAB by itself).

Because Windows Console returns the same keycode for shifted/unshifted 
and for the Ctrl key. You can easily test that with [Ctrl][V] or "od -
c" (which are the standards tools to find out the key codes to be able 
to assign actions to them).

This is not restricted to the Windows console. Console[1] and the Linux 
console behave the same.

Thorsten
[1] http://console.sourceforge.net/


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