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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

xargs.1 (2158B)

    

  1. .Dd 2015-10-08
  2. .Dt XARGS 1
  3. .Os sbase
  4. .Sh NAME
  5. .Nm xargs
  6. .Nd construct argument lists and execute command
  7. .Sh SYNOPSIS
  8. .Nm
  9. .Op Fl rtx
  10. .Op Fl E Ar eofstr
  11. .Op Fl n Ar num
  12. .Op Fl s Ar num
  13. .Op Ar cmd Op Ar arg ...
  14. .Sh DESCRIPTION
  15. .Nm
  16. reads space, tab, newline and EOF delimited strings from stdin
  17. and executes the specified
  18. .Ar cmd
  19. with the strings as
  20. .Ar arguments .
  21. .Pp
  22. Any arguments specified on the command line are given to the command upon
  23. each invocation, followed by some number of the arguments read from
  24. stdin.
  25. The command is repeatedly executed one or more times until stdin is exhausted.
  26. .Pp
  27. Spaces, tabs and newlines may be embedded in arguments using single (`'')
  28. or double (`"') quotes or backslashes ('\\').
  29. Single quotes escape all non-single quote characters, excluding newlines, up
  30. to the matching single quote.
  31. Double quotes escape all non-double quote characters, excluding newlines, up
  32. to the matching double quote.
  33. Any single character, including newlines, may be escaped by a backslash.
  34. .Sh OPTIONS
  35. .Bl -tag -width Ds
  36. .It Fl n Ar num
  37. Use at most
  38. .Ar num
  39. arguments per command line.
  40. .It Fl r
  41. Do not run the command if there are no arguments.
  42. Normally the command is executed at least once even if there are no arguments.
  43. .It Fl E Ar eofstr
  44. Use
  45. .Ar eofstr
  46. as a logical EOF marker.
  47. .It Fl s Ar num
  48. Use at most
  49. .Ar num
  50. bytes per command line.
  51. .It Fl t
  52. Write the command line to stderr before executing it.
  53. .It Fl x
  54. Terminate if the command line exceeds the system limit or the number of bytes
  55. given with the
  56. .Op Fl s
  57. flag.
  58. .El
  59. .Sh EXIT STATUS
  60. .Nm
  61. exits with one of the following values:
  62. .Bl -tag -width Ds
  63. .It 0
  64. All invocations of
  65. .Ar cmd
  66. returned a zero exit status.
  67. .It 123
  68. One or more invocations of
  69. .Ar cmd
  70. returned a nonzero exit status.
  71. .It 124
  72. .Ar cmd
  73. exited with a 255 exit status.
  74. .It 125
  75. .Ar cmd
  76. was killed or stopped by a signal.
  77. .It 126
  78. .Ar cmd
  79. was found but could not be executed.
  80. .It 127
  81. .Ar cmd
  82. could not be found.
  83. .It 1
  84. Some other error occurred.
  85. .El
  86. .Sh STANDARDS
  87. The
  88. .Nm
  89. utility is compliant with the
  90. .St -p1003.1-2013
  91. specification except from the
  92. .Op Fl p
  93. flag.
  94. .Pp
  95. The
  96. .Op Fl r
  97. flag is an extension to that specification.