demandoc.1

   1 .\"     $Id: demandoc.1,v 1.5 2011/09/02 13:04:05 kristaps Exp $
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   3 .\" Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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   5 .\" Permission to use, copy, modify, and distribute this software for any
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  17 .Dd $Mdocdate: September 2 2011 $
  18 .Dt DEMANDOC 1
  19 .Os
  20 .Sh NAME
  21 .Nm demandoc
  22 .Nd emit only text of UNIX manuals
  23 .Sh SYNOPSIS
  24 .Nm demandoc
  25 .Op Fl w
  26 .Op Ar
  27 .Sh DESCRIPTION
  28 The
  29 .Nm
  30 utility emits only the text portions of well-formed
  31 .Xr mdoc 7
  32 and
  33 .Xr man 7
  34 .Ux
  35 manual files.
  36 Its arguments are as follows:
  37 .Bl -tag -width Ds
  38 .It Fl w
  39 Output a word list.
  40 This outputs each word of text on its own line.
  41 A
  42 .Qq word ,
  43 in this case, refers to whitespace-delimited terms beginning with at
  44 least two letters and not consisting of any escape sequences.
  45 Words have their leading and trailing punctuation
  46 .Pq double-quotes, sentence punctuation, etc.
  47 stripped.
  48 .It Ar
  49 The input files.
  50 .El
  51 .Pp
  52 If
  53 .Ar file
  54 is not provided,
  55 .Nm
  56 accepts standard input.
  57 If a document is not well-formed, it is skipped.
  58 .Pp
  59 By default,
  60 .Nm
  61 parses its input and outputs only text nodes, preserving line column
  62 position.
  63 Escape sequences are omitted from the output.
  64 .Pp
  65 The
  66 .Fl i ,
  67 .Fl k ,
  68 .Fl m ,
  69 and
  70 .Fl p
  71 flags are silently discarded for calling compatibility with the
  72 historical deroff.
  73 .Sh EXIT STATUS
  74 The
  75 .Nm
  76 utility exits with one of the following values:
  77 .Pp
  78 .Bl -tag -width Ds -compact
  79 .It 0
  80 No errors occurred.
  81 .It 6
  82 An operating system error occurred, for example memory exhaustion or an
  83 error accessing input files.
  84 Such errors cause
  85 .Nm
  86 to exit at once, possibly in the middle of parsing or formatting a file.
  87 The output databases are corrupt and should be removed .
  88 .El
  89 .Sh EXAMPLES
  90 The traditional usage of
  91 .Nm
  92 is for spell-checking manuals on
  93 .Bx .
  94 This is accomplished as follows (assuming British spelling):
  95 .Pp
  96 .Dl $ demandoc -w file.1 | spell -b
  97 .Sh SEE ALSO
  98 .Xr mandoc 1 ,
  99 .Xr man 7
 100 .Xr mdoc 7
 101 .Sh HISTORY
 102 .Nm
 103 replaces the historical deroff utility for handling modern
 104 .Xr man 7
 105 and
 106 .Xr mdoc 7
 107 documents.
 108 .Sh AUTHORS
 109 The
 110 .Nm
 111 utility was written by
 112 .An Kristaps Dzonsons ,
 113 .Mt kristaps@bsd.lv .