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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

impressive-gettransitions

IMPRESSIVE-GETTRANSITIONS(1)				      Debian GNU/Linux manual				      IMPRESSIVE-GETTRANSITIONS(1)

NAME

       impressive-gettransitions - Generate Impressive info scripts for LaTeX presentations

SYNOPSIS

       impressive-gettransitions FILE.tex

DESCRIPTION

       A simple script to produce a .info file for use with Impressive, using special comments in a LaTeX/Beamer file. FILE.tex is a file to be
       parsed into .info file. For each /fullpath/blah.tex /fullpath/blah.pdf.info gets produced.

SYNTAX

       In the LaTeX document, impressive-gettransitions counts the pages to determine the PDF slide number of each one.

       The simpler page changes are automatically detected, that is:
	   egin{frame} and:
	   pause

       Other, more elaborated page changes must be noted with a %O comment:
	   item<1-> Foo
	   item<2-> Bar %O

       The transition to apply can be specified in a %O comment:
	   egin{frame} %O SlideUp

OPERATION

       When the .info file corresponding to the LaTeX document already exist, impressive-gettransitions does not clear it, but only adds the
       transitions if finds to it.

       Thus, if you modified your document in a way that requires to completely replace the transitions, manually clear the PageProps section of
       the .info file. This can be done by running the following sed command:
	   sed -i -e "/^PageProps = {/,/^}/d" FILE.info

SEE ALSO

       impressive(1)

AUTHOR

       impressive-gettransitions (originally gettransitions) has been written by Rob Reid.

       This manpage has been originally written by Yaroslav Halchenko <debian@onerussian.com>.

Debian Project							    2012-02-10					      IMPRESSIVE-GETTRANSITIONS(1)
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