Marc Heiler wrote:
> "If you installed ruby from source, then readline probably didn't build
> when you built ruby because you don't have the required source files
> for the interfaces to the readline library"
>
> I think it would be awesome if a check could be added to the configure
> script, ie --enable-readline or similar. And when it cant be found,
> it wont try to compile ruby so that you can timely compile/install
> readline first again. :)
>

here's the bit to test if readline is compiled in, from Pragmatic's
"Rails Recipes" (which is simply outstanding)

ruby -rreadline 'p Something'

( I was going to say i can't recommend the book highly enogh, but i
think that's ambiguous)