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Full Discussion: Linux command to find and replace occurance of more than two equal sign with "==" from XML file.
Operating Systems Linux Linux command to find and replace occurance of more than two equal sign with "==" from XML file. Post 302659595 by bakunin on Thursday 21st of June 2012 07:58:11 AM
Old 06-21-2012
Quote:
Originally Posted by RedRocks!!
I need a command that will work on file (xml) and replace multiple occurrence (more than 2 times)

should be replaced by just '=='
Note :- single character should be replaced. (= should be replaced by ==)

I have used this command:-
Code:
sed 's/==*/==/g' example.xml > example.xml

But after using this command i found, where single character = is there, it changes into ==
Seems to me that this is what you wanted, isn't it?

If you only want to replace two or more occurences of "=" use:

Code:
sed 's/===*/==/g' example.xml > example.xml.result

You cannot direct the output of sed to the input file, because that would overwrite and destroy the input file after the first line. Therefore a different output file name.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
RedRocks!!
 

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LEARN ABOUT DEBIAN

hwloc-assembler

HWLOC-ASSEMBLER(1)						       hwloc							HWLOC-ASSEMBLER(1)

NAME

       hwloc-assembler - Assemble multiple XML topologies

SYNOPSIS

       hwloc-assembler [options] output.xml [--name <name1>] input1.xml [--name <name2>] input2.xml ...

OPTIONS

       -n --name <name>
	      Set <name> in the AssemblerName info attribute of the next input topology root to ease identification within the final global topol-
	      ogy.

       -f --force
	      Ignore errors while reading input files.

       -v --verbose
	      Verbose messages.

DESCRIPTION

       hwloc-assembler combines the input XML topologies and exports the resulting global topologies to a new XML file.  All inputs are  inserting
       as children of the global root object.  Each input topology root is annotated with info attributes before insertion.  AssemblerIndex is set
       to the index within the list of inputs.	AssemblerName is set to the name given with --name if any.  hwloc-assembler-remote offers a  fron-
       tend for assembling remote nodes topologies without having to manually gather and transfer each of them.

EXAMPLES

       To assemble two nodes topologies:

	   $ hwloc-assembler output.xml --name host1 host1.xml --name host2 host2.xml

RETURN VALUE

       Upon successful execution, hwloc-assembler returns 0.

       hwloc-assembler will return nonzero if any kind of error occurs, such as (but not limited to) failure to parse the command line.

SEE ALSO

       hwloc(7), lstopo(1), hwloc-assembler-remote(1)

1.4.1								   Feb 27, 2012 						HWLOC-ASSEMBLER(1)
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