bzmore.1 4.2 KB

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  1. .\"Shamelessly copied from zmore.1 by Philippe Troin <phil@fifi.org>
  2. .\"for Debian GNU/Linux
  3. .TH BZMORE 1
  4. .SH NAME
  5. bzmore, bzless \- file perusal filter for crt viewing of bzip2 compressed text
  6. .SH SYNOPSIS
  7. .B bzmore
  8. [ name ... ]
  9. .br
  10. .B bzless
  11. [ name ... ]
  12. .SH NOTE
  13. In the following description,
  14. .I bzless
  15. and
  16. .I less
  17. can be used interchangeably with
  18. .I bzmore
  19. and
  20. .I more.
  21. .SH DESCRIPTION
  22. .I Bzmore
  23. is a filter which allows examination of compressed or plain text files
  24. one screenful at a time on a soft-copy terminal.
  25. .I bzmore
  26. works on files compressed with
  27. .I bzip2
  28. and also on uncompressed files.
  29. If a file does not exist,
  30. .I bzmore
  31. looks for a file of the same name with the addition of a .bz2 suffix.
  32. .PP
  33. .I Bzmore
  34. normally pauses after each screenful, printing --More--
  35. at the bottom of the screen.
  36. If the user then types a carriage return, one more line is displayed.
  37. If the user hits a space,
  38. another screenful is displayed. Other possibilities are enumerated later.
  39. .PP
  40. .I Bzmore
  41. looks in the file
  42. .I /etc/termcap
  43. to determine terminal characteristics,
  44. and to determine the default window size.
  45. On a terminal capable of displaying 24 lines,
  46. the default window size is 22 lines.
  47. Other sequences which may be typed when
  48. .I bzmore
  49. pauses, and their effects, are as follows (\fIi\fP is an optional integer
  50. argument, defaulting to 1) :
  51. .PP
  52. .IP \fIi\|\fP<space>
  53. display
  54. .I i
  55. more lines, (or another screenful if no argument is given)
  56. .PP
  57. .IP ^D
  58. display 11 more lines (a ``scroll'').
  59. If
  60. .I i
  61. is given, then the scroll size is set to \fIi\|\fP.
  62. .PP
  63. .IP d
  64. same as ^D (control-D)
  65. .PP
  66. .IP \fIi\|\fPz
  67. same as typing a space except that \fIi\|\fP, if present, becomes the new
  68. window size. Note that the window size reverts back to the default at the
  69. end of the current file.
  70. .PP
  71. .IP \fIi\|\fPs
  72. skip \fIi\|\fP lines and print a screenful of lines
  73. .PP
  74. .IP \fIi\|\fPf
  75. skip \fIi\fP screenfuls and print a screenful of lines
  76. .PP
  77. .IP "q or Q"
  78. quit reading the current file; go on to the next (if any)
  79. .PP
  80. .IP "e or q"
  81. When the prompt --More--(Next file:
  82. .IR file )
  83. is printed, this command causes bzmore to exit.
  84. .PP
  85. .IP s
  86. When the prompt --More--(Next file:
  87. .IR file )
  88. is printed, this command causes bzmore to skip the next file and continue.
  89. .PP
  90. .IP =
  91. Display the current line number.
  92. .PP
  93. .IP \fIi\|\fP/expr
  94. search for the \fIi\|\fP-th occurrence of the regular expression \fIexpr.\fP
  95. If the pattern is not found,
  96. .I bzmore
  97. goes on to the next file (if any).
  98. Otherwise, a screenful is displayed, starting two lines before the place
  99. where the expression was found.
  100. The user's erase and kill characters may be used to edit the regular
  101. expression.
  102. Erasing back past the first column cancels the search command.
  103. .PP
  104. .IP \fIi\|\fPn
  105. search for the \fIi\|\fP-th occurrence of the last regular expression entered.
  106. .PP
  107. .IP !command
  108. invoke a shell with \fIcommand\|\fP.
  109. The character `!' in "command" are replaced with the
  110. previous shell command. The sequence "\\!" is replaced by "!".
  111. .PP
  112. .IP ":q or :Q"
  113. quit reading the current file; go on to the next (if any)
  114. (same as q or Q).
  115. .PP
  116. .IP .
  117. (dot) repeat the previous command.
  118. .PP
  119. The commands take effect immediately, i.e., it is not necessary to
  120. type a carriage return.
  121. Up to the time when the command character itself is given,
  122. the user may hit the line kill character to cancel the numerical
  123. argument being formed.
  124. In addition, the user may hit the erase character to redisplay the
  125. --More-- message.
  126. .PP
  127. At any time when output is being sent to the terminal, the user can
  128. hit the quit key (normally control\-\\).
  129. .I Bzmore
  130. will stop sending output, and will display the usual --More--
  131. prompt.
  132. The user may then enter one of the above commands in the normal manner.
  133. Unfortunately, some output is lost when this is done, due to the
  134. fact that any characters waiting in the terminal's output queue
  135. are flushed when the quit signal occurs.
  136. .PP
  137. The terminal is set to
  138. .I noecho
  139. mode by this program so that the output can be continuous.
  140. What you type will thus not show on your terminal, except for the / and !
  141. commands.
  142. .PP
  143. If the standard output is not a teletype, then
  144. .I bzmore
  145. acts just like
  146. .I bzcat,
  147. except that a header is printed before each file.
  148. .SH FILES
  149. .DT
  150. /etc/termcap Terminal data base
  151. .SH "SEE ALSO"
  152. more(1), less(1), bzip2(1), bzdiff(1), bzgrep(1)