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sflwl.man
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SFLWL(1) SFLWL(1)
NAME
sflwl - Query Speak Freely Look Who's Listening client
SYNOPSIS
sflwl [ -cdlmu ] [ -hhost[:port] ] [*]user_name ...
DESCRIPTION
sflwl is a client program which requests contact informa
tion from a server running the Speak Freely Look Who's
Listening server (sflwld). sflwl allows users to find one
another and establish Speak Freely conversations even if
one or both have dial-up Internet connections where the
host name and Internet address vary from session to ses
sion.
Each user_name is matched against the E-mail address and
full user name of active users who have informed the Look
Who's Listening site of their presence. If the user_name
occurs within either of these fields, the IP address and
port on which matching users are listening are listed.
Options allow different forms of output.
If the user_name is preceded by an asterisk (*), only ex
act matches with the user's E-mail address are reported.
OPTIONS
-c Output consists of the command line options for
sfspeaker to connect to the matching user(s).
For example, if you want to connect to a dial-up
user whose E-mail address is smudley@inter
nut.com, you can use the command:
sfmike -t `sflwl -c smudley@internut.com`
to connect to that person, as long as he's cur
rently connected to an Internet service provider
and running Speak Freely, even you don't know
the site name or IP address he's been assigned
for the current session.
-d Enables debug output.
-hhost:port
The query is sent to the named host (and option
al port number, in case the host doesn't use the
standard port, 2076). The -h option overrides
any host and port specified by the SPEAK
FREE_LWL_ASK and/or SPEAKFREE_LWL_TELL vari
ables.
-l The list of hosts which matched the user_name is
shown in long form, including all information
the users supplied to the Look Who's Listening
server.
-m Shows the server status message, if any. This
7 NOV 1995 1
SFLWL(1) SFLWL(1)
message provides information regarding the serv
er, such as the World-Wide Web URL where it pub
lishes the list of active users.
-u Prints how-to-call information.
ENVIRONMENT VARIABLES
If no host (and optional port number) is specified, sflwl
will use the host and port specified by the SPEAK
FREE_LWL_ASK environment variable, if defined. If SPEAK
FREE_LWL_ASK is not defined, the host name is taken from
the SPEAKFREE_LWL_TELL variable used by sfspeaker to iden
tify its Look Who's Listening host.
BUGS
The number of matching items returned is limited to what
will fit in a single 512 byte packet. This is deliberate;
users who wish to browse active sites should consult the
HTML file published by the Look Who's Listening site
rather than make wild-card requests with sflwl.
SEE ALSO
sflwld(1), sfmike(1), sfspeaker(1)
AUTHOR
John Walker
WWW: http://www.fourmilab.ch/
This program is in the public domain.
7 NOV 1995 2