racket/collects/ffi/examples/use-tcl.rkt
2010-04-27 16:50:15 -06:00

26 lines
785 B
Racket
Executable File

#! /usr/bin/env racket
#lang racket/base
(require "tcl.ss")
(define (tcldemo . strs)
(for-each (lambda (s)
(printf "> ~a\n" s)
(with-handlers ([void (lambda (e)
(display (if (exn? e) (exn-message e) e)
(current-error-port))
(newline (current-error-port)))])
(printf "~a\n" (eval-tcl s))))
strs))
(tcldemo "puts 123"
"puts $a"
"set a {this is some stupid string}"
"set b [list a a]"
"set c {[list $a $a]}"
"puts \"a = \\\"$a\\\"\""
"puts \"b = \\\"$b\\\"\""
"puts \"c = \\\"$c\\\"\""
"puts \"even better... \\\"[expr $c]\\\"\"")