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Full Discussion: Grep string causes extra spaces
Top Forums Shell Programming and Scripting Grep string causes extra spaces Post 303035185 by baris35 on Thursday 16th of May 2019 08:53:22 AM
Old 05-16-2019
Grep string causes extra spaces
Hello,
I have an xml file and my aim is to grab each line in keywords file and search the string in another file.
When keyword is found in xml file,I expect the script to go to previous line in the xml file and grab the string/value between two strings. It's almost working with an error.

tab separated keywords.txt
Code:
test1 qqq98
test35 sss32
test26 Rsiw

1.xml file
Code:
  <id="229954e70d6b702f8d570b4be11af181">
    <display-name>test44 lgi3d</display-name>
  <id="229954e70d6b702f8d51331cbe11af181">
    <display-name>test35 kkld</display-name>
  <id="2223230did3s2Qafevrgvve1cbe11af181">
    <display-name>test26 Rsiw</display-name>

expected output:
Code:
test1 qqq98 id=""
test35 sss32 id=""
test26 Rsiw id="2223230did3s2Qafevrgvve1cbe11af181"

Code:
while read COL1 COL2 && read -r line <&3; do
A=$(grep -B1 "$COL1.*$COL2" 1.xml | grep -v "display-name" | sed -e 's/<id=\"\(.*\)\">/\1/' )
#A=$(grep -B1 "$COL".*$COL2" 1.xml | grep -v "display-name" | grep -o -P '(?<=<id=\").*(?=\">)')
echo "$COL1 $COL2 id=\"$A\""
done < keywords.txt 3<1.xml

This gives:
Code:
test1 qqq98 id=""
test35 sss32 id=""
test26 Rsiw id="  2223230did3s2Qafevrgvve1cbe11af181"

I wondered why there are two spaces before $A variable at output console.

Thank you
Boris
Last edited by baris35; 05-16-2019 at 10:01 AM..
 

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LEARN ABOUT CENTOS

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 1.1.10-29.el7 					     June 2014							      PACEMAKER(8)
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