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Rev Author # Line
1 perry 1 BZMORE
2 !!!BZMORE
3 NAME
4 SYNOPSIS
5 NOTE
6 DESCRIPTION
7 FILES
8 SEE ALSO
9 ----
10 !!NAME
11
12
13 bzmore, bzless - file perusal filter for crt viewing of bzip2 compressed text
14 !!SYNOPSIS
15
16
17 __bzmore__ [[ name ... ]__
18 bzless__ [[ name ... ]
19 !!NOTE
20
21
22 In the following description, ''bzless'' and ''less''
23 can be used interchangeably with ''bzmore'' and
24 ''more.''
25 !!DESCRIPTION
26
27
28 ''Bzmore'' is a filter which allows examination of
29 compressed or plain text files one screenful at a time on a
30 soft-copy terminal. ''bzmore'' works on files compressed
31 with ''bzip2'' and also on uncompressed files. If a file
32 does not exist, ''bzmore'' looks for a file of the same
33 name with the addition of a .bz2 suffix.
34
35
36 ''Bzmore'' normally pauses after each screenful, printing
37 --More-- at the bottom of the screen. If the user then types
38 a carriage return, one more line is displayed. If the user
39 hits a space, another screenful is displayed. Other
40 possibilities are enumerated later.
41
42
43 ''Bzmore'' looks in the file ''/etc/termcap'' to
44 determine terminal characteristics, and to determine the
45 default window size. On a terminal capable of displaying 24
46 lines, the default window size is 22 lines. Other sequences
47 which may be typed when ''bzmore'' pauses, and their
48 effects, are as follows (''i'' is an optional integer
49 argument, defaulting to 1) :
50
51
52 ''i''''
53
54
55 display ''i'' more lines, (or another screenful if no
56 argument is given)
57
58
59 ^D
60
61
62 display 11 more lines (a ``scroll''). If ''i'' is given,
63 then the scroll size is set to ''i''.
64
65
66 d
67
68
69 same as ^D (control-D)
70
71
72 ''i''z
73
74
75 same as typing a space except that ''i'', if present,
76 becomes the new window size. Note that the window size
77 reverts back to the default at the end of the current
78 file.
79
80
81 ''i''s
82
83
84 skip ''i'' lines and print a screenful of
85 lines
86
87
88 ''i''f
89
90
91 skip ''i'' screenfuls and print a screenful of
92 lines
93
94
95 q or Q
96
97
98 quit reading the current file; go on to the next (if
99 any)
100
101
102 e or q
103
104
105 When the prompt --More--(Next file: ''file'') is printed,
106 this command causes bzmore to exit.
107
108
109 s
110
111
112 When the prompt --More--(Next file: ''file'') is printed,
113 this command causes bzmore to skip the next file and
114 continue.
115
116
117 =
118
119
120 Display the current line number.
121
122
123 ''i''/expr
124
125
126 search for the ''i''-th occurrence of the regular
127 expression ''expr.'' If the pattern is not found,
128 ''bzmore'' goes on to the next file (if any). Otherwise,
129 a screenful is displayed, starting two lines before the
130 place where the expression was found. The user's erase and
131 kill characters may be used to edit the regular expression.
132 Erasing back past the first column cancels the search
133 command.
134
135
136 ''i''n
137
138
139 search for the ''i''-th occurrence of the last regular
140 expression entered.
141
142
143 !command
144
145
146 invoke a shell with ''command''. The character `!' in
147 ''
148
149
150 :q or :Q
151
152
153 quit reading the current file; go on to the next (if any)
154 (same as q or Q).
155
156
157 .
158
159
160 (dot) repeat the previous command.
161
162
163 The commands take effect immediately, i.e., it is not
164 necessary to type a carriage return. Up to the time when the
165 command character itself is given, the user may hit the line
166 kill character to cancel the numerical argument being
167 formed. In addition, the user may hit the erase character to
168 redisplay the --More-- message.
169
170
171 At any time when output is being sent to the terminal, the
172 user can hit the quit key (normally control-). ''Bzmore''
173 will stop sending output, and will display the usual
174 --More-- prompt. The user may then enter one of the above
175 commands in the normal manner. Unfortunately, some output is
176 lost when this is done, due to the fact that any characters
177 waiting in the terminal's output queue are flushed when the
178 quit signal occurs.
179
180
181 The terminal is set to ''noecho'' mode by this program so
182 that the output can be continuous. What you type will thus
183 not show on your terminal, except for the / and !
184 commands.
185
186
187 If the standard output is not a teletype, then ''bzmore''
188 acts just like ''bzcat,'' except that a header is printed
189 before each file.
190 !!FILES
191
192
193 /etc/termcap Terminal data base
194 !!SEE ALSO
195
196
197 more(1), less(1), bzip2(1), bzdiff(1),
198 bzgrep(1)
199 ----
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