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NAME
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9p – read and write files on a 9P server
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SYNOPSIS
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9p [ options ] read path
9p [ options ] readfd path
9p [ options ] write [ −l ] path
9p [ options ] writefd path
9p [ options ] stat path
9p [ options ] rdwr path
9p [ options ] ls [ −dl ] path...
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DESCRIPTION
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9p is a trivial 9P client that can access a single file on a 9P
server. It can be useful for manual interaction with a 9P server
or for accessing simple 9P services from within shell scripts.
The common options are:
−a addr
−A aname
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attach to the file system named aname
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−n mount without authentication
The first argument is a command, one of:
read print the contents of path to standard output
writewrite data on standard input to path; the −l option causes
write to write one line at a time
readfd, writefd
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like read and write but use openfd(9p) instead of open; this masks
errors and is mainly useful for debugging the implementation of
openfd
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stat execute stat (9p) on path and print the result
rdwr Open path for reading and writing. Then repeat until end-of-file
on standard input: copy a line from the file to standard output,
copy a line from standard input to the file. Print errors, but
don’t give up. Rdwr is useful for interacting with servers like
factotum(4).
ls Print a directory listing in the format of ls(1). The −d and
−l flags have the same meaning as in ls.
9p dials address to connect to the 9P server. If the −a option
is not given, 9p requires the path to be of the form service/subpath;
it connects to the Unix domain socket service in the name space
directory (see intro(4)) and then accesses subpath.
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EXAMPLE
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To update plumber(4)’s copy of your plumbing rules after editing
$HOME/lib/plumbing:
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cat $HOME/lib/plumbing | 9p write plumb/rules
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To display the contents of the current acme(4) window:
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SOURCE
SEE ALSO
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