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Full Discussion: Using tee causing need for extra newlines.
Top Forums Shell Programming and Scripting Using tee causing need for extra newlines. Post 302550659 by buggin on Friday 26th of August 2011 03:43:14 PM
Old 08-26-2011
Using tee causing need for extra newlines.
I am working on capturing lines of output from a korn script that is used to import optical disks into a jukebox. The script is running on Solaris 8. Insertdiscs calls the binary named vimport which starts up and prompts for a disk to be inserted. I am able to capture output with this line below which would be perfect except that as soon as insertdiscs is piped to tee (as opposed to running it alone) I need to hit enter twice to get it to start vimport (see below) for each loop.

Code:
#!/bin/bash
#In Solaris 8 only bash handles the below process substitution properly.
 insertdiscs | tee >(egrep Imported\|INFO >> /tmp/importdisclog.txt)

I have tried
Code:
printf "\n" | insertdiscs | tee >(egrep Imported\|INFO >> /tmp/importdisclog.txt)

as well as piping from echo "\n" and all that gets me is infinite new lines at every prompt from the interactive vimport script.


This is the insertdiscs script that is called from my code above:
Code:
#!/bin/ksh
while [ $TRUE ]
do
  vimport -j 1
  rc=$?
  if [ $rc -eq 0 ]; then
    log_message "G" "Volume import succeeded for jukebox using insertdiscs."
  else
    log_message "B" "Volume import failed for jukebox using insertdiscs."
  fi
done

Any help appreciated.
Thanks,
Brett
 

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LEARN ABOUT SUSE

irsend

IRSEND(1)								FSF								 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 0.8.7pre1						     May 2010								 IRSEND(1)
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