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wc

wc 908 B
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  1. .TH WC 1
    2. 

  2. .SH NAME
    3. 

  3. wc \- word count
    4. 

  4. .SH SYNOPSIS
    5. 

  5. .B wc
    6. 

  6. [
    7. 

  7. .B -lwrbc
    8. 

  8. ]
    9. 

  9. [
    10. 

  10. .I file ...
    11. 

  11. ]
    12. 

  12. .SH DESCRIPTION
    13. 

  13. .I Wc
    14. 

  14. counts lines, words, runes, syntactically-invalid
    15. 

  15. .SM UTF
    16. 

  16. codes and bytes in the named
    17. 

  17. .IR files ,
    18. 

  18. or in the standard input if no file is named.
    19. 

  19. A word is a maximal string of characters
    20. 

  20. delimited by spaces, tabs or newlines.
    21. 

  21. The count of runes includes invalid codes.
    22. 

  22. .PP
    23. 

  23. If the optional argument is present,
    24. 

  24. just the specified counts (lines, words, runes, broken
    25. 

  25. .SM UTF
    26. 

  26. codes or bytes)
    27. 

  27. are selected by the letters
    28. 

  28. .BR l ,
    29. 

  29. .BR w ,
    30. 

  30. .BR r ,
    31. 

  31. .BR b ,
    32. 

  32. or
    33. 

  33. .BR c .
    34. 

  34. Otherwise, lines, words and bytes
    35. 

  35. .RB ( -lwc )
    36. 

  36. are reported.
    37. 

  37. .SH SOURCE
    38. 

  38. .B /sys/src/cmd/wc.c
    39. 

  39. .SH BUGS
    40. 

  40. The Unicode Standard has many blank characters scattered through it,
    41. 

  41. but
    42. 

  42. .I wc
    43. 

  43. looks for only
    44. 

  44. .SM ASCII
    45. 

  45. space, tab and newline.
    46. 

  46. .br
    47. 

  47. .I Wc
    48. 

  48. should have options to count suboptimal
    49. 

  49. .SM UTF
    50. 

  50. codes
    51. 

  51. and bytes that cannot occur in any
    52. 

  52. .SM UTF
    53. 

  53. code.
    54.