Thanks everyone for your responses. Unfortunately I planned on using the REPL as a kind of shell for a little utility I need, so I guess I'll only have to live with it. Is it possible to run DrRacket in a "REPL-only" mode? I'm making a shell to deal with some data I save on a S-Expr "database". Is there any sort of repl (even graphical ones, but simple) that I can work much like I work on racket repl without loading a full fledged DrRacket environment?
On Thu, Jan 6, 2011 at 8:00 PM, Hendrik Boom <[email protected]> wrote: > On Thu, Jan 06, 2011 at 04:09:49PM -0200, Alexandre Moreira wrote: >> Hello, everyone. I'm trying to use the (read-line) function in >> racket's REPL and I'm having a weird problem. Whenever I type >> (read-line) in the REPL prompt it returns the empty string. It's as if >> it is receiving the linefeed character I use to enter the command on >> the REPL. > > You could try to call (read-line) twice and see if the secone one > returns what you want. This would confirm your suspicions, Hendrik, I already do that. My workaround so far is to write a functon somewhat like this (define (my-read-line) (let ([contents (read-line)]) (if (string=? contents "") (read-line) contents))) It works, but it's kinda annoying to need that. > > -- hendrik > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users > -- "Bad programming is easy. Idiots can learn it in 21 days, even if they are dummies." - As seen in 'How to Design Programs' _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
