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#! /usr/bin/env sh
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exec guile -e main -s "$0" "$@"
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!#
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(use-modules (bible-tools bible-tools)
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(srfi srfi-1)
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(srfi srfi-26))
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(define (help)
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(display "Usage: read-bible bible [-b book] [-c chapter] [-h] [-v]\n")
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(display "\t-b book\t\tthe book to read\n")
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(display "\t-c chapter\tthe chapter to read\n")
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(display "\t-h\t\tdisplay this help message\n")
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(display "\t-v\t\tdisplay the current version\n"))
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(define (main args)
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(define (pr t)
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(map (lambda (str) (display str) (newline)) (map verse->string t)))
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(define version "read-bible v1.0.0\n")
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(define flag? (cut member <> args))
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(define get (compose cadr flag?))
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(let-syntax ((conf
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(syntax-rules (else)
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((_ (f e)...) (cond ((flag? f) e)...
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(else (help)))))))
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(if (< (length args) 2)
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(help)
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(with-bible (cadr args)
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(conf ("-h" (help)) ("-v" (display version))
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("-b" (if (flag? "-c")
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(call-with-chapter (get "-b")
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(get "-c") pr)
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(call-with-book (get "-b")
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pr))))))))
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