.\" -*- nroff -*-
.\" manual page [] for chat 1.8
-.\" $Id: chat.8,v 1.6 1997/11/27 06:00:06 paulus Exp $
+.\" $Id: chat.8,v 1.8 1999/05/12 06:13:22 paulus Exp $
.\" SH section heading
.\" SS subsection heading
.\" LP paragraph
mode. The \fIchat\fR program will then log all text received from the
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
-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
\'# ' 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