#!/bin/bash

# put this in your .bashrc

# This function updates the xterm title
# whenever we complete a foo command, ie
#
# % foo some-args <TAB>
#
# This invokes fooF() and prints "some-args"
# in the xterm title bar.
#
# Designed to be used together with readline,
# where we redefine the behaviour of RETURN
# Don't forget to turn off the bell too!
function fooF()
{
    echo -ne "\033]0;bash: ${COMP_LINE:4}\007"
    unset -v COMPREPLY
}
# now bind this function to foo
complete -F fooF foo
# and reprogram the enter key
#(uses emacs keybindings)
bind 'RETURN: "\C-afoo \t\b\b\b\b\C-e\n"'
bind 'set bell-style none'