[TAG] Just Bad and Wrong... yet cool

[Benjamin A. Okopnik]

On Fri, Oct 14, 2005 at 11:32:06AM +0100, Jimmy O'Regan wrote:
> Raj shekhar wrote:
> >in infinite wisdom Jimmy O'Regan spoke thus on 10/14/05 06:09:
> >
> >>Rick Moen wrote:
> >>
> >>>"bash is terrifying me again":
> >>>http://www.livejournal.com/users/mendel/128965.html
> >>>
> >>>Bash pseudo-sockets:  Oh my!
> >>>
> >>>followed by:
> >>>"Dude, you've got a smiley in your prompt."
> >>
> >>
> >>
> >>Followed by:
> >>
> >>:) fishsticks$ false
> >>:( fishsticks$
> >
> >
> >How did he do that.  I want something like that too.  If anyone knows, 
> >do tell.
> >
> 
> ``
> jimregan at jimmy ~
> $ echo $PS1
> \[\033]0;\w\007 \033[32m\]\u@\h \[\033[33m\w\033[0m\] $
> 
> jimregan at jimmy ~
> $ smiley () { if [ $? == 0 ]; then echo ':)';else echo ':(';fi; }
> 
> jimregan at jimmy ~
> $ PS1="\$(smiley) \h$ "
> :) jimmy$ false
> :( jimmy$ true
> :) jimmy$
> ''

Darn it, Jimmy, you always beat me. What, you have a fast connection or
something? :)

My way was just slightly different:

``
# More-or-less undocumented Bash-ism - a C-style trinary operator
smiley () { echo -e ":\\$(($??50:51))"; }
''


* Ben Okopnik * Editor-in-Chief, Linux Gazette * http://linuxgazette.net *