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nwrite

Langue: en

Version: 253462 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

nwrite - enhanced write

SYNOPSIS

nwrite [-i minutes] [-a] user[.ttyname] [user[.ttyname] ...]

DESCRIPTION

nwrite copies lines from your terminal to the terminals of one or more users. When called, it begins copying lines you type to the recipient's terminal(tty). Before sending the first line of text, nwrite prepends the message


  Message from <name> on <tty> [to user [users ...]] at <time> ...

Communication continues until an end of file is read from the terminal or an interrupt is sent. At that point nwrite writes `EOF' (or `EOF (sendername)' if whoeof is set) on the other terminal and exits.

If you want to write to a user who is logged in more than once, the ttyname argument may be used to indicate the appropriate terminal name, OR, you can let nwrite find the first writable tty, and write to that. Additionally, you can use the -i option to specify a number of minutes; ttys more idle than the number you specify will be ignored when looking for ttys to write to.

Permission to write may be denied or granted by use of the mesg command. At the outset writing is allowed. Certain commands, in particular nroff and pr(1) disallow messages in order to prevent messy output.

NWRITERC

To control how incoming nwrites look to you, create a ~/.nwriterc with lines of the form:


  option        value

Where value is either 0 or 1 (meaning no and yes) and option is one of:

headers
Display "user> " before each incoming line.
beep
Cause the terminal to beep when the message header comes through.
nodelay
Do not wait for the first line of input before displaying the message header.
bold
Takes the following string values:
never
no bolding (default)
header
message header only
tag
message header and "login>" line tags
all
bold everything
showtarg
Used to control the behavior of the message header. Takes the following string values:
never
never show recipient list
multi
only if more than one recipient (default)
always
always show recipients
whoeof
When sending EOF, append username to differentiate between many Users at once like this: "EOF (user)".

Note that your home directory must be world executable and the .nwriterc itself must be world readable.

EXAMPLE NWRITERC


 headers        1
 nodelay        0
 beep           0
 bold           header
 showtarg       multi

OPTIONS

-a
arguments are zeroed so that the process table entry does not reveal who you are writing to. (Not available on all systems.)
-i <minutes>
Ignore ttys more idle than <minutes> minutes.

FILES

/var/run/utmp
to find user
/etc/nwrite.rc
to set system default preferences
~user/.nwriterc
to obtain target's preferences

AUTHORS


 Marco Nicosia,    marco@csua.berkeley.edu, Summer 1993
 Aaron C. Smith,   aaron@csua.berkeley.edu, Summer 1994-Spring 1995
 Alan Coopersmith, alanc@csua.berkeley.edu, Summer 1995-present
 Master ftp site: ftp://ftp.csua.berkeley.edu/pub/nwrite/

SEE ALSO

mesg(1) , who(1) ,
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