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Full Discussion: Expect script error : send: spawn id exp4 not open
Top Forums Shell Programming and Scripting Expect script error : send: spawn id exp4 not open Post 302973272 by omkar.jadhav on Tuesday 17th of May 2016 07:29:05 AM
Old 05-17-2016
Expect script error : send: spawn id exp4 not open
Hi,

I am executing a expect script in while loop for doing telnet on list of servers stored in file as below :
expect script :
Code:
#!/usr/bin/expect -f
set timeout 20
set ip [lindex $argv 0]
set port [lindex $argv 1]
if {[llength $argv] == 0} {
  send_user "Usage: scriptname ip port\n"
  exit 1
}
#exp_internal 1
log_user 0
spawn telnet $ip $port
sleep 5
expect {
timeout { send_user "\nTelnet to $ip on $port was Unsuccessfull\n";exit 1 }
"'^]'"
}
send "\x1D"
expect "telnet> "
send "quit\r"
send_user "\nTelnet to $ip on $port was successfull\n"
expect eof

bash script for looping expect script :
Code:
#!/bin/bash
n=`wc -l /tmp/DSlist | awk '{ print $1 }'`
i=1
while [ $i -le $n ]
do
line=`head -$i /tmp/DSlist | tail -1`
ip=`echo $line | cut -f 1 -d ' '`
port=`echo $line | cut -f 2 -d ' '`
./test1.sh $ip $port
sleep 1
i=`expr $i + 1`
done

script is getting executed properly but getting message as below in between the script :
Code:
send: spawn id exp4 not open
    while executing
"send "\x1D""
    (file "./test1.sh" line 17)

can someone please let me know where i am going wrong. or are there any additional steps that i have to include in my script to avoid this error.

---------- Post updated at 06:29 AM ---------- Previous update was at 01:48 AM ----------

can someone please assist here..
 

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LEARN ABOUT LINUX

irsend

IRSEND(1)							   User Commands							 IRSEND(1)

NAME

       irsend - basic LIRC program to send infra-red commands

SYNOPSIS

       irsend [options] DIRECTIVE REMOTE CODE [CODE...]

DESCRIPTION

       Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such
       as TV boxes, HiFi sets, etc.

       DIRECTIVE can be:
	  SEND_ONCE	    - send CODE [CODE ...] once
	  SEND_START	    - start repeating CODE
	  SEND_STOP	    - stop repeating CODE
	  LIST		    - list configured remote items
	  SET_TRANSMITTERS  - set transmitters NUM [NUM ...]
	  SIMULATE	    - simulate IR event

       REMOTE is the name of a remote, as described in the lircd configuration file.

       CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file.

       NUM is the transmitter number of the hardware device.

       For the LIST DIRECTIVE, REMOTE and/or CODE can be empty:

	  LIST	 ""    ""   - list all configured remote names
	  LIST REMOTE  ""   - list all codes of REMOTE
	  LIST REMOTE CODE  - list only CODE of REMOTE

       The SIMULATE command only works if it has been explicitly enabled in lircd.

       -h --help
	      display usage summary

       -v --version
	      display version

       -d --device
	      use given lircd socket [/var/run/lirc/lircd]

       -a --address=host[:port]
	      connect to lircd at this address

       -# --count=n
	      send command n times

EXAMPLES

	  irsend LIST DenonTuner ""
	  irsend SEND_ONCE  DenonTuner PROG-SCAN
	  irsend SEND_ONCE  OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP
	  irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3
	  irsend SEND_STOP  OnkyoAmpli VOL-DOWN
	  irsend SET_TRANSMITTERS 1
	  irsend SET_TRANSMITTERS 1 3 4
	  irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S"

FILES

       /etc/lirc/lircd.conf
	      Default lircd configuration file.  It should contain all the remotes, their infra-red codes and the corresponding timing	and  wave-
	      form details.

DIAGNOSTICS

       If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics:
       "irsend: could not connect to socket"
       "irsend: Connection refused" (or "Permission denied").

SEE ALSO

       The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory.

       lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org.

irsend 0.9.0-pre1						   October 2010 							 IRSEND(1)
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