racket/collects/preprocessor/mztext-run.ss
2005-05-27 18:56:37 +00:00

28 lines
966 B
Scheme

(module mztext-run mzscheme
(require (lib "mztext.ss" "preprocessor")
(lib "pp-run.ss" "preprocessor")
(lib "cmdline.ss"))
(let ([output #f] [run-cmd #f])
(command-line
"mztext"
(current-command-line-arguments)
(once-each
[("-o" "--output") file "output file (defaults to standard output)"
(set! output file)]
[("-c" "--command-marker") marker "command marker (defaults to \"@\")"
(command-marker marker)]
[("--run") cmd "run the command string on a single preprocessed input file"
(set! run-cmd cmd)])
(help-labels " (see the documentation for this option)")
(multi
[("-E" "--eval") expr "evaluates <expr> before processing starts"
(parameterize ([read-case-sensitive #t])
(add-eval (read (open-input-string expr))))])
(=> (lambda (_ . files) (run preprocess run-cmd output files))
'("input-file")
(more-help 'mztext "a MzScheme-based preprocessing language"))))
)