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