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;; echo.scm - test another Idest script.
;; Copyright (C) 2011 Sergey Poznyakoff
;; License GPLv3+: GNU GPL version 3 or later
;; <http://gnu.org/licenses/gpl.html>
;; This is free software: you are free to change and redistribute it.
;; There is NO WARRANTY, to the extent permitted by law.
(let* ((cmd (command-line))
(progname (car cmd)))
(set! %load-hook (lambda (filename)
(format #t "~A: loading ~a ...\n"
progname filename)))
(cond
((< (length cmd) 3)
(format (current-error-port) "usage: idest -S ~A SCRIPT FILE...~%"
progname)
(exit 1))
(else
(let ((file-name (list-ref cmd 1)))
(set-program-arguments (cons (car cmd) (list-tail cmd 2)))
(primitive-load-path file-name)
(cond
(idest-readonly
(format (current-error-port)
"~A: info: ~A does not modify frames~%" progname file-name))
((catch #t
(lambda ()
(procedure? idest-main))
(lambda (key . args)
#f))
(set! idest-readonly #t)
(let ((main-func idest-main))
(set! idest-main
(lambda (file frames)
(let ((result (main-func file frames)))
(format #t "File ~A ~A~%" file result))))))
(else
(format (current-error-port)
"~A: idest-main is not defined in ~A~%" progname file-name)
(exit 1)))))))
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