t9p.1 - plan9port - [fork] Plan 9 from user space
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t9p.1 (2319B)
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1 .TH 9P 1
2 .SH NAME
3 9p \- read and write files on a 9P server
4 .SH SYNOPSIS
5 .B 9p
6 [
7 .I options
8 ]
9 .B read
10 .I path
11 .br
12 .B 9p
13 [
14 .I options
15 ]
16 .B readfd
17 .I path
18 .PP
19 .B 9p
20 [
21 .I options
22 ]
23 .B write
24 [
25 .B -l
26 ]
27 .I path
28 .br
29 .B 9p
30 [
31 .I options
32 ]
33 .B writefd
34 .I path
35 .PP
36 .B 9p
37 [
38 .I options
39 ]
40 .B stat
41 .I path
42 .PP
43 .B 9p
44 [
45 .I options
46 ]
47 .B rdwr
48 .I path
49 .PP
50 .B 9p
51 [
52 .I options
53 ]
54 .B ls
55 [
56 .B -dl
57 ]
58 .I path...
59 .SH DESCRIPTION
60 .I 9p
61 is a trivial 9P client that can access a single file on a 9P server.
62 It can be useful for manual interaction with a 9P server or for
63 accessing simple 9P services from within shell scripts.
64 The common options are:
65 .TP
66 .B -a\fI addr
67 dial
68 the server at
69 .I addr
70 .TP
71 .B -A\fI aname
72 attach to the file system named
73 .I aname
74 .TP
75 .B -n
76 mount without authentication
77 .PP
78 The first argument is a command, one of:
79 .TP
80 .B read
81 print the contents of
82 .I path
83 to standard output
84 .TP
85 .B write
86 write data on standard input to
87 .IR path ;
88 the
89 .B -l
90 option causes
91 .I write
92 to write one line at a time
93 .TP
94 .BR readfd ", " writefd
95 like
96 .B read
97 and
98 .B write
99 but use
100 .IR openfd (9p)
101 instead of
102 .IR open ;
103 this masks errors and is mainly useful for debugging
104 the implementation of
105 .I openfd
106 .TP
107 .B stat
108 execute
109 .I stat (9p)
110 on
111 .I path
112 and print the result
113 .TP
114 .B rdwr
115 Open
116 .I path
117 for reading and writing.
118 Then repeat until end-of-file on standard input:
119 copy a line from the file to standard output,
120 copy a line from standard input to the file.
121 Print errors, but don't give up.
122 .B Rdwr
123 is useful for interacting with servers like
124 .MR factotum (4) .
125 .TP
126 .B ls
127 Print a directory listing in the format of
128 .MR ls (1) .
129 The
130 .B -d
131 and
132 .B -l
133 flags have the same meaning as in
134 .IR ls .
135 .PD
136 .PP
137 .I 9p
138 dials
139 .I address
140 to connect to the 9P server.
141 If the
142 .B -a
143 option is not given,
144 .I 9p
145 requires the
146 .I path
147 to be of the form
148 .IB service / subpath \fR;
149 it connects to the Unix domain socket
150 .I service
151 in the name space directory
152 (see
153 .MR intro (4) )
154 and then accesses
155 .IR subpath .
156 .SH EXAMPLE
157 To update
158 .MR plumber (4) 's
159 copy of your plumbing rules after editing
160 .BR $HOME/lib/plumbing :
161 .IP
162 .EX
163 cat $HOME/lib/plumbing | 9p write plumb/rules
164 .EE
165 .PP
166 To display the contents of the current
167 .MR acme (4)
168 window:
169 .IP
170 .EX
171 9p read acme/$winid/body
172 .EE
173 .SH SOURCE
174 .B \*9/src/cmd/9p.c
175 .SH SEE ALSO
176 .MR intro (4) ,
177 .IR intro (9p),
178 .MR 9pclient (3)