23 lines
869 B
Racket
23 lines
869 B
Racket
#lang scheme/base
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(require preprocessor/mztext preprocessor/pp-run scheme/cmdline)
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(let ([output #f] [run-cmd #f])
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(command-line
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#:once-each
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[("-o" "--output") file "output file (defaults to standard output)"
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(set! output file)]
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[("-c" "--command-marker") marker "command marker (defaults to \"@\")"
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(command-marker marker)]
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[("--run") cmd "run the command string on a single preprocessed input file"
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(set! run-cmd cmd)]
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#:help-labels " (see the documentation for this option)"
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#:multi
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[("-E" "--eval") expr "evaluates <expr> before processing starts"
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(parameterize ([read-case-sensitive #t])
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(add-eval (read-syntax 'command-line (open-input-string expr) )))]
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#:handlers
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(lambda (_ . files) (run preprocess run-cmd output files))
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'("input-file")
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(more-help 'mztext "a Racket-based preprocessing language")))
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