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#! /usr/bin/env sh
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exec guile -e '(@ (read-bible) main)' -s "$0" "$@"
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!#
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(define-module (read-bible)
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#:use-module (bible-tools)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (main))
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(define (verse->string v)
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(string-append (book v) " " (chapter v) ":" (verse v) "\t" (text v)))
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(define (print-text txt)
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(for-each (lambda (str) (display str) (newline))
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(map verse->string txt)))
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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 (version)
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(display "read-bible v1.0.0\n"))
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(define (main args)
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(define flag? (cut member <> args))
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(define get (compose cadr flag?))
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(define-syntax conf
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(syntax-rules (else)
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((_ (f e)... (else g)) (cond ((flag? f) e)... (else g)))))
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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))
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("-v" (version))
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("-b" (if (flag? "-c")
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(call-with-chapter (get "-b") (get "-c")
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print-text)
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(call-with-book (get "-b") print-text)))
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(else (help))))))
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