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Full Discussion: Replacing multiple lines in file from another file
Top Forums Shell Programming and Scripting Replacing multiple lines in file from another file Post 302527659 by techneel on Saturday 4th of June 2011 06:49:15 AM
Old 06-04-2011
Java Replacing multiple lines in file from another file
Hi All,
I'm trying to parse a XML file and replace few lines of file with text present in another file. But only issue is I need to replace only those lines from XML which are preceeding the JOBNAME =*RRN*
For ex test.xml(content of XML file in which I want to replace lines is )
Code:
<JOB
.
.
.
JOBNAME="JD901_001__CTM_APPLICATION__PRD1Q"
.
.
>
<ON CODE="*" STMT="*" >
 <DOSYSOUT PAR="%%USREP.%%JOBNAME._%%RUNCOUNT..log" OPTION="Copy" />
    </ON>
    <ON CODE="COMPSTAT&lt;03" STMT="*" >
     <DO ACTION="OK" />
    </ON>
 <ON CODE="NOTOK" STMT="*" >
     <DOSHOUT DEST="ECS" MESSAGE="ERROR ON JOB %%JOBNAME" URGENCY="R" />
    </ON>
</JOB>
<JOB
.
.
JOBNAME="JD901_001__RRN_APPLICATION__PRD1Q"
.
.
>
    <ON CODE="*" STMT="*" >
     <DOSYSOUT PAR="%%USREP.%%JOBNAME._%%RUNCOUNT..log" OPTION="Copy" />
    </ON>
    <ON CODE="NOTOK" STMT="*" >
     <DOSHOUT DEST="ECS" MESSAGE="ERROR ON JOB %%JOBNAME" URGENCY="R" />
    </ON>
</JOB>

Now I want to replace only lines starting from <ON CODE="*" STMT="*" >
to </JOB> only where I could find
JOBNAME="JD901_001__RRN_APPLICATION__PRD1Q".

Replace.txt ( File containing the text I want to replace it with)
Code:
 <ON CODE="*" STMT="*" >
     <DOSYSOUT PAR="%%USREP.%%JOBNAME._%%RUNCOUNT..log" OPTION="Copy" />
     <DO ACTION="RERUN" />
    </ON>
    <ON CODE="*" STMT="*" >
     <DO ACTION="OK" />
    </ON>
    <ON CODE="NOTOK" STMT="*" >
     <DOSHOUT DEST="ECS" MESSAGE="ERROR ON JOB %%JOBNAME" URGENCY="U" />
    </ON>

I used grep to serach all the occurances of RRN jobs
Code:
grep -n 'JOBNAME=*.*RRN*' text.xm

l and using line numbers I tried to search in XML to replace the lines, but its not working.

Can somebody please help me with this.

Thanks
Last edited by Franklin52; 06-04-2011 at 09:14 AM.. Reason: Please use code tags
 

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LEARN ABOUT REDHAT

xml::grove::subst

XML::Grove::Subst(3)					User Contributed Perl Documentation				      XML::Grove::Subst(3)

NAME

       XML::Grove::Subst - substitute values into a template

SYNOPSIS

	use XML::Grove::Subst;

	# Using subst method on XML::Grove::Document or XML::Grove::Element:
	$new_grove = $source_grove->subst( ARGS );
	$new_grove = $source_grove->subst_hash( ARG );

	# Using an XML::Grove::Subst instance:
	$subster = XML::Grove::Subst->new();
	$new_grove = $subster->subst( $source_grove, ARGS );
	$new_grove = $subster->subst_hash( $source_grove, ARG );

DESCRIPTION

       "XML::Grove::Subst" implements XML templates.  "XML::Grove::Subst" traverses through a source grove replacing all elements with names
       `"SUB:XXX"' or `"SUB:key"' with their corresponding values from ARGS (a list) or ARG (a hash), repsectively.

METHODS

       $grove_obj->subst( ARGS ) =item $subster->subst( $grove_obj, ARGS )
	   Search for `"SUB:XXX"' elements, where XXX is an array index, and replace the element with the value from ARGS, a list of values.  The
	   return value is a new grove with the substitutions applied.

       $grove_obj->subst_hash( ARG ) =item $subster->subst_hash( $grove_obj, ARG )
	   Search for `"SUB:key"' elements and replace the element with the value from ARG, a hash of values.  The hash key is taken from the
	   `"key"' attribute of the `"SUB:key"' element, for example, `"<SUB:key key='foo'>"'.	The return value is a new grove with the substitu-
	   tions applied.

EXAMPLE

       The following template, in a file `"template.xml"', could be used for a simple parts database conversion to HTML:

	   <html>
	     <head>
	       <title><SUB:key key='Name'></title>
	     </head>
	     <body>
	       <h1><SUB:key key='Name'></title>
	       <p>Information for part number <SUB:key key='Number'>:</p>
	       <SUB:key key='Description'>
	     </body>
	   </html>

       To use this template you would first parse it and convert it to a grove, and then use `"subst_hash()"' every time you needed a new page:

	   use XML::Parser::PerlSAX;
	   use XML::Grove;
	   use XML::Grove::Builder;
	   use XML::Grove::Subst;
	   use XML::Grove::PerlSAX;
	   use XML::Handler::XMLWriter;

	   # Load the template
	   $b = XML::Grove::Builder->new();
	   $p = XML::Parser::PerlSAX->new( Handler = $b );
	   $source_grove = $p->parse( Source => { SystemId => 'template.xml' } );

	   # Apply the substitutions
	   $new_grove = $source_grove->subst_hash( { Name => 'Acme DCX-2000 Filter',
						     Number => 'N4728',
						     Description => 'The Best' } );

	   # Write the new grove to standard output
	   $w = XML::Handler::XMLWriter->new();
	   $wp = XML::Grove::PerlSAX->new( Handler => $w );
	   $wp->parse( Source => { Grove => $new_grove } );

AUTHOR

       Ken MacLeod, ken@bitsko.slc.ut.us

SEE ALSO

       perl(1), XML::Grove(3)

       Extensible Markup Language (XML) <http://www.w3c.org/XML>

perl v5.8.0							    1999-08-25						      XML::Grove::Subst(3)
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