Because of a bug in zlib, restrict deflate parameter to 9..15 for now.

[ppp.git] / chat / chat.8

diff --git a/chat/chat.8 b/chat/chat.8
index 55c9c933d1a7b4c1e896dbb7cb27371e4d07a307..8c031f5012aee56b180aae5c4e26440f83751b36 100644 (file)
--- a/chat/chat.8
+++ b/chat/chat.8
@@ -1,12 +1,12 @@
 .\" -*- nroff -*-
 .\" manual page [] for chat 1.8
 .\" -*- nroff -*-
 .\" manual page [] for chat 1.8

-.\" $Id: chat.8,v 1.5 1997/07/14 03:49:41 paulus Exp $
+.\" $Id: chat.8,v 1.9 1999/09/06 05:10:23 paulus Exp $

 .\" SH section heading
 .\" SS subsection heading
 .\" LP paragraph
 .\" IP indented paragraph
 .\" TP hanging label
 .\" SH section heading
 .\" SS subsection heading
 .\" LP paragraph
 .\" IP indented paragraph
 .\" TP hanging label

-.TH CHAT 8 "5 May 1995" "Chat Version 1.9"
+.TH CHAT 8 "22 May 1999" "Chat Version 1.22"

 .SH NAME
 chat \- Automated conversational script with a modem
 .SH SYNOPSIS
 .SH NAME
 chat \- Automated conversational script with a modem
 .SH SYNOPSIS


@@ -49,20 +49,42 @@ or off at specific points in the chat script by using the \fIECHO\fR
 keyword. When echoing is enabled, all output from the modem is echoed
 to \fIstderr\fR.
 .TP
 keyword. When echoing is enabled, all output from the modem is echoed
 to \fIstderr\fR.
 .TP

+.B -E
+Enables environment variable substituion within chat scripts using the
+standard \fI$xxx\fR syntax.
+.TP

 .B -v
 Request that the \fIchat\fR script be executed in a verbose mode. The
 .B -v
 Request that the \fIchat\fR script be executed in a verbose mode. The

-\fIchat\fR program will then log all text received from the modem and
-the output strings which it sends to the SYSLOG.
+\fIchat\fR program will then log the execution state of the chat
+script as well as all text received from the modem and the output
+strings sent to the modem.  The default is to log through the SYSLOG;
+the logging method may be altered with the -S and -s flags.

 .TP
 .B -V
 Request that the \fIchat\fR script be executed in a stderr verbose
 mode. The \fIchat\fR program will then log all text received from the
 .TP
 .B -V
 Request that the \fIchat\fR script be executed in a stderr verbose
 mode. The \fIchat\fR program will then log all text received from the

-modem and the output strings which it sends to the stderr device. This
+modem and the output strings sent to the modem to the stderr device. This

 device is usually the local console at the station running the chat or
 device is usually the local console at the station running the chat or

-pppd program. This option will not work properly if the stderr is
-redirected to the /dev/null location as is the case should pppd be run
-in the 'detached' mode. In that case, use the '-v' option to record
-the session on the SYSLOG device.
+pppd program.
+.TP
+.B -s
+Use stderr.  All log messages from '-v' and all error messages will be
+sent to stderr.
+.TP
+.B -S
+Do not use the SYSLOG.  By default, error messages are sent to the
+SYSLOG.  The use of -S will prevent both log messages from '-v' and
+error messages from being sent to the SYSLOG.
+.TP
+.B -T \fI<phone number>
+Pass in an arbitary string, usually a phone number, that will be
+substituted for the \\T substitution metacharacter in a send string.
+.TP
+.B -U \fI<phone number 2>
+Pass in a second string, usually a phone number, that will be
+substituted for the \\U substitution metacharacter in a send string.
+This is useful when dialing an ISDN terminal adapter that requires two 
+numbers.

 .TP
 .B script
 If the script is not specified in a file with the \fI-f\fR option then
 .TP
 .B script
 If the script is not specified in a file with the \fI-f\fR option then


@@ -135,6 +157,16 @@ character, you would have to write something like this:
 \'# ' logout
 .LP
 
 \'# ' logout
 .LP
 

+.SH SENDING DATA FROM A FILE
+If the string to send starts with an at sign (@), the rest of the
+string is taken to be the name of a file to read to get the string to
+send.  If the last character of the data read is a newline, it is
+removed.  The file can be a named pipe (or fifo) instead of a regular
+file.  This provides a way for \fBchat\fR to communicate with another
+program, for example, a program to prompt the user and receive a
+password typed in.
+.LP
+

 .SH ABORT STRINGS
 Many modems will report the status of the call as a string. These
 strings may be \fBCONNECTED\fR or \fBNO CARRIER\fR or \fBBUSY\fR. It
 .SH ABORT STRINGS
 Many modems will report the status of the call as a string. These
 strings may be \fBCONNECTED\fR or \fBNO CARRIER\fR or \fBBUSY\fR. It


@@ -401,6 +433,14 @@ sequence 'HI TIM' and HI\\sTIM are the same.
 .B \\\\t
 Send or expect a tab character.
 .TP
 .B \\\\t
 Send or expect a tab character.
 .TP

+.B \\\\T
+Send the phone number string as specified with the \fI-T\fR option
+.I (not valid in expect.)
+.TP
+.B \\\\U
+Send the phone number 2 string as specified with the \fI-U\fR option
+.I (not valid in expect.)
+.TP

 .B \\\\\\\\
 Send or expect a backslash character.
 .TP
 .B \\\\\\\\
 Send or expect a backslash character.
 .TP


@@ -413,6 +453,12 @@ character.
 Substitute the sequence with the control character represented by C.
 For example, the character DC1 (17) is shown as \^^Q.
 .I (some characters are not valid in expect.)
 Substitute the sequence with the control character represented by C.
 For example, the character DC1 (17) is shown as \^^Q.
 .I (some characters are not valid in expect.)

+.SH ENVIRONMENT VARIABLES
+Environment variables are available within chat scripts, if  the \fI-E\fR
+option was specified in the command line. The metacharacter \fI$\fR is used
+to introduce the name of the environment variable to substitute. If the
+substition fails, because the requested environment variable is not set,
+\fInothing\fR is replaced for the variable.

 .SH TERMINATION CODES
 The \fIchat\fR program will terminate with the following completion
 codes.
 .SH TERMINATION CODES
 The \fIchat\fR program will terminate with the following completion
 codes.