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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

nl.1 (2259B)

    

  1. .Dd 2020-05-15
  2. .Dt NL 1
  3. .Os sbase
  4. .Sh NAME
  5. .Nm nl
  6. .Nd line numbering filter
  7. .Sh SYNOPSIS
  8. .Nm
  9. .Op Fl p
  10. .Op Fl b Ar type
  11. .Op Fl d Ar delim
  12. .Op Fl f Ar type
  13. .Op Fl h Ar type
  14. .Op Fl i Ar num
  15. .Op Fl l Ar num
  16. .Op Fl n Ar format
  17. .Op Fl s Ar sep
  18. .Op Fl v Ar num
  19. .Op Fl w Ar num
  20. .Op Ar file
  21. .Sh DESCRIPTION
  22. .Nm
  23. reads lines from
  24. .Ar file
  25. and writes them to stdout, numbering non-empty lines.
  26. If no
  27. .Ar file
  28. is given
  29. .Nm
  30. reads from stdin.
  31. .Pp
  32. .Nm
  33. treats the input text as a collection of logical pages divided into
  34. logical page sections.
  35. Each logical page consists of a header section, a body
  36. section and a footer section.
  37. Sections may be empty.
  38. The start of each section is indicated by a single delimiting line, one of:
  39. .Bl -column "\e:\e:\e: " "header " -offset indent
  40. .It Em "Line" Ta Em "Start of"
  41. .It \e:\e:\e:	header
  42. .It \e:\e:	body
  43. .It \e:	footer
  44. .El
  45. .Pp
  46. If the input text contains no delimiting line then all of the input text
  47. belongs to a single logical page body section.
  48. .Sh OPTIONS
  49. .Bl -tag -width Ds
  50. .It Fl p
  51. Do not reset line number for logical pages.
  52. .It Fl h Ar type | Fl b Ar type | Fl f Ar type
  53. Define which lines to number in the head | body | footer section:
  54. .Bl -tag -width pstringXX
  55. .It a
  56. All lines.
  57. .It n
  58. No lines.
  59. .It t
  60. Only non-empty lines.
  61. This is the default.
  62. .It p Ns Ar expr
  63. Only lines matching
  64. .Ar expr
  65. according to
  66. .Xr regex 7 or
  67. .Xr re_format 7 .
  68. .El
  69. .It Fl d Ar delim
  70. Set
  71. .Ar delim
  72. as the delimiter for logical pages.
  73. If
  74. .Ar delim
  75. is only one character,
  76. .Nm
  77. appends ":" to it.
  78. The default is "\e:".
  79. .It Fl i Ar num
  80. Set the increment between numbered lines to
  81. .Ar num .
  82. .It Fl l Ar num
  83. Set the number of adjacent blank lines to be considered as one to
  84. .Ar num .
  85. The default is 1.
  86. .It Fl n Ar format
  87. Set the line number output
  88. .Ar format
  89. to one of:
  90. .Bl -tag -width pstringXX
  91. .It ln
  92. Left justified.
  93. .It rn
  94. Right justified.
  95. This is the default.
  96. .It rz
  97. Right justified with leading zeroes.
  98. .El
  99. .It Fl s Ar sep
  100. Use
  101. .Ar sep
  102. to separate line numbers and lines.
  103. The default is "\et".
  104. .It Fl v Ar num
  105. Start counting lines from
  106. .Ar num .
  107. The default is 1.
  108. .It Fl w Ar num
  109. Set the width of the line number to
  110. .Ar num .
  111. The default is 6.
  112. .El
  113. .Sh SEE ALSO
  114. .Xr pr 1
  115. .Sh STANDARDS
  116. The
  117. .Nm
  118. utility is compliant with the
  119. .St -p1003.1-2013
  120. specification.