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Full Discussion: sed command inside paramiko python
Top Forums Shell Programming and Scripting sed command inside paramiko python Post 302990602 by Priya Amaresh on Sunday 29th of January 2017 06:00:20 AM
Old 01-29-2017
sed command inside paramiko python
Hi

I am trying to execute a sed command inside paramiko which finds and deletes the particular string from a file

But sed command doesnt work inside paramiko python

Code:
machine=qwe
dssh = paramiko.SSHClient()
dssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
        dssh.connect( host, username='xxx', password='123', timeout=120)

except Exception as e:

    ln="SSH to machine:%s FAILED" % ( machine )
    print_log(ln)
    exit_status()

        grpRem = 'sed -i -E "/paste=used//g" /etc/gr.txt > /etc/tempFile'
        stdin, stdout, stderr = dssh.exec_command( grpRem )
        if stdout.channel.recv_exit_status() != 0:
            err="cmd=%s FAILED" % (grpRem)
            print_log(grpRem)
            dssh.close()
            exit_status()
        else:
            print "Copying temp file back to original file"
            #fileMv = 'mv /etc/tempFile /etc/gr.txt'
    else:
        print "paste=used not found.."
else:
    print "the system is inside else loop"

dssh.close()

The file is:
Code:
cat gr.txt | grep paste
        i have a paste=used so that it wont be available for anyone
    I do not have a paste=used

My expected output should be (paste=used should be deleted)
Code:
cat gr.txt
        i have a  so that it wont be available for anyone
    I do not have a

Please help

---------- Post updated at 06:00 AM ---------- Previous update was at 05:26 AM ----------

I tried with get_pty=True even then no luck seen..
Code:
grpRem = 'sed -i -E "/xmon=on//g" /etc/grub2.cfg > /etc/tempFile,get_pty=True'

Please help
 

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LEARN ABOUT DEBIAN

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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