logo

utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git/

echo.1 (1556B)

    

  1. .\" utils-std: Collection of commonly available Unix tools
  2. .\" Copyright 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. .\" SPDX-License-Identifier: MPL-2.0
  4. .Dd October 31, 2024
  5. .Dt ECHO 1
  6. .Os
  7. .Sh NAME
  8. .Nm echo
  9. .Nd write arguments to standard output
  10. .Sh SYNOPSIS
  11. .Nm
  12. .Op Fl Een
  13. .Op Ar string...
  14. .Sh DESCRIPTION
  15. .Nm
  16. buffers all
  17. .Ar string
  18. together with a final newline and then does a single write to standard output.
  19. If there is no
  20. .Ar string ,
  21. only the newline is written.
  22. .Pp
  23. The
  24. .Fl -
  25. operand, which generally terminates option processing, is treated as part of
  26. .Ar string .
  27. .Sh OPTIONS
  28. .Bl -tag -width Ds
  29. .It Fl n
  30. Do not print the trailing newline character.
  31. .It Fl E
  32. Toggle off the support for escape codes. (default)
  33. .It Fl e
  34. Toggle on support for the following escape codes:
  35. .Bl -tag -compact -width _a
  36. .It \ea
  37. Write an <alert>.
  38. .It \eb
  39. Write a <backspace>.
  40. .It \ec
  41. Clear the rest of the output, including the trailing newline.
  42. .It \ef
  43. Write a <form-feed>.
  44. .It \en
  45. Write a <newline>.
  46. .It \er
  47. Write a <carriage-return>.
  48. .It \et
  49. Write a <tab>.
  50. .It \ev
  51. Write a <vertical-tab>.
  52. .It \e\e
  53. Write a <backslash> character.
  54. .It \e0 Ns Ar num
  55. Write an octet corresponding to the zero, one, two, or three digits octal number
  56. .Ar num .
  57. For example
  58. .Ql \e0
  59. writes the NULL byte, and
  60. .Ql \e01
  61. writes a octet of value 1.
  62. .El
  63. .El
  64. .Sh EXIT STATUS
  65. .Ex -std
  66. .Sh SEE ALSO
  67. .Xr printf 1
  68. .Sh STANDARDS
  69. Should be compliant with the
  70. IEEE Std 1003.1-2024 (“POSIX.1”)
  71. specification.
  72. .Sh AUTHORS
  73. .An Haelwenn (lanodan) Monnier Aq Mt contact+utils@hacktivis.me