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Full Discussion: Insert/Update using sed
Top Forums Shell Programming and Scripting Insert/Update using sed Post 302669711 by vivek_damodaran on Thursday 12th of July 2012 05:14:44 AM
Old 07-12-2012
Sorry, I should have made it clear in my first post.

The xml itself is a big file, so unfortunately I can't try the echo option. Also the insert/update should be committed using the solution.

To re-iterate:

Code:
<Date="" Node1="50" Groups="20">

is a part of a big xml file Config.xml and I am trying to insert/update the Date field and commit the changes.

Reason for Insert/update option
1) Insert: The Date field could be blank (Date="")
2) Update: xml could already have a date in it ((Date="20120610")). So the command should replace it.


something like this
Code:
#! /bin/ksh
dt=20120701
sed -e 's/Date=.*"/Date=$dt/' Config.xml

---------- Post updated 07-12-12 at 04:14 AM ---------- Previous update was 07-11-12 at 07:42 AM ----------

Hi,

Can someone please help with my query?

Thanks
 

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LEARN ABOUT DEBIAN

crm_diff

PACEMAKER(8)						  System Administration Utilities					      PACEMAKER(8)

NAME

       Pacemaker - Part of the Pacemaker cluster resource manager

SYNOPSIS

       crm_diff original_xml operation [options]

DESCRIPTION

       crm_diff - A utility for comparing Pacemaker configurations (XML format)

       The tool produces a custom (diff-like) output which it can also apply like a patch

OPTIONS

       -?, --help
	      This text

       -$, --version
	      Version information

       -V, --verbose
	      Increase debug output

   Original XML:
       -o, --original=value
	      XML is contained in the named file

       -O, --original-string=value
	      XML is contained in the supplied string

   Operation:
       -n, --new=value
	      Compare the original XML to the contents of the named file

       -N, --new-string=value
	      Compare the original XML to the contents of the supplied string

       -p, --patch=value
	      Patch the original XML with the contents of the named file

   Additional Options:
       -c, --cib
	      Compare/patch the inputs as a CIB (includes versions details)

       -f, --filter
	      Suppress irrelevant differences between the two inputs

EXAMPLES

       Obtain the two different configuration files by running cibadmin on the two cluster setups to compare:

	      # cibadmin --query > cib-old.xml

	      # cibadmin --query > cib-new.xml

       Calculate and save the difference between the two files:

	      # crm_diff --original cib-old.xml --new cib-new.xml > patch.xml

       Apply the patch to the original file:

	      # crm_diff --original cib-old.xml --patch patch.xml > updated.xml

       Apply the patch to the running cluster:

	      # cibadmin --patch patch.xml

AUTHOR

       Written by Andrew Beekhof

REPORTING BUGS

       Report bugs to pacemaker@oss.clusterlabs.org

Pacemaker 1.1.7 						    April 2012							      PACEMAKER(8)
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