/usr.bin/colrm/colrm.1

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  28. .\" @(#)colrm.1 8.1 (Berkeley) 6/6/93
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  31. .Dd August 4, 2004
  32. .Dt COLRM 1
  33. .Os
  34. .Sh NAME
  35. .Nm colrm
  36. .Nd remove columns from a file
  37. .Sh SYNOPSIS
  38. .Nm
  39. .Op Ar start Op Ar stop
  40. .Sh DESCRIPTION
  41. The
  42. .Nm
  43. utility removes selected columns from the lines of a file.
  44. A column is defined as a single character in a line.
  45. Input is read from the standard input.
  46. Output is written to the standard output.
  47. .Pp
  48. If only the
  49. .Ar start
  50. column is specified, columns numbered less than the
  51. .Ar start
  52. column will be written.
  53. If both
  54. .Ar start
  55. and
  56. .Ar stop
  57. columns are specified, columns numbered less than the
  58. .Ar start
  59. column
  60. or greater than the
  61. .Ar stop
  62. column will be written.
  63. Column numbering starts with one, not zero.
  64. .Pp
  65. Tab characters increment the column count to the next multiple of eight.
  66. Backspace characters decrement the column count by one.
  67. .Sh ENVIRONMENT
  68. The
  69. .Ev LANG , LC_ALL
  70. and
  71. .Ev LC_CTYPE
  72. environment variables affect the execution of
  73. .Nm
  74. as described in
  75. .Xr environ 7 .
  76. .Sh EXIT STATUS
  77. .Ex -std
  78. .Sh SEE ALSO
  79. .Xr awk 1 ,
  80. .Xr column 1 ,
  81. .Xr cut 1 ,
  82. .Xr paste 1
  83. .Sh HISTORY
  84. The
  85. .Nm
  86. command appeared in
  87. .Bx 3.0 .