[kwlug-disc] my new favourite command

William Park opengeometry at yahoo.ca
Fri Dec 3 11:44:43 EST 2010


On Thu, Dec 02, 2010 at 03:49:20PM -0500, John Van Ostrand wrote:
> ----- Original Message -----
> > Hi list,
> > 
> > Just discovered the 'rlwrap' command. It is a wrapper that turns
> > any command line oriented program into a readline-capable interface.
> > 
> > For example, you can run netcat through rlwrap, and get history and
> > command editing:
> > 
> > rlwrap nc
> > 
> > This also works for things like xboard when connecting to a chess
> > server (this is where I first learned of it).
> > 
> > What other new commands have people learned lately?
> 
> This is a side question. Is there another way to put readline functionality in a bash shell script?
> 
> e.g.
> 
> while :
> do
>     read cmd
> 
>     case "$cmd" in
>     "load")
>          ...
>     "save")
>          ...
>     esac
> done

Are you thinking something like "select" in Bash/Ksh?  "select" will
give you menu, but I don't think it will go through Readline.

-- 
William



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