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  #1  
Old 09-21-2005
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Join Date: Jun 2004
Posts: 146
Complicated string searching in a file
Hi folks,

Following a part of opmn.xml file:
Code:
            <process-type id="OC4J_RiGHTv_PLATOR81" module-id="OC4J">
               <environment>
                  <variable id="LD_LIBRARY_PATH" value="/home/ias/v10.1.2/lib" append="true"/>
                  <variable id="SHLIB_PATH" value="/home/ias/v10.1.2/lib32" append="true"/>
               </environment>
               <module-data>
                  <category id="start-parameters">
                     <data id="java-options" value="-server -Djava.security.policy=/home/ias/v10.1.2/j2ee/OC4J_RiGHTv_PLATOR81/config/java2.policy -Djava.awt.headless=true -Drightv.root=/home/ias/v10.1.2/j2ee/OC4J_RiGHTv_PLATOR81 -Xmx512M -Duser.timezone=GMT+03:00"/>
                     <data id="oc4j-options" value="-properties"/>
                  </category>
                  <category id="stop-parameters">
                     <data id="java-options" value="-Djava.security.policy=/home/ias/v10.1.2/j2ee/OC4J_RiGHTv_PLATOR81/config/java2.policy -Djava.awt.headless=true -Drightv.root=/home/ias/v10.1.2/j2ee/OC4J_RiGHTv_PLATOR81 -Xmx512M -Duser.timezone=GMT+03:00"/>
                  </category>
               </module-data>
               <start timeout="900" retry="2"/>
               <stop timeout="120"/>
               <restart timeout="720" retry="2"/>
               <port id="ajp" range="3301-3400"/>
               <port id="rmi" range="4021-4032"/>
               <port id="jms" range="3821-3822"/>
               <process-set id="default_island" numprocs="1"/>
            </process-type>
This section appears a lot of times in this file. The uniqueness key is the schema name. In this example,the schema name is PLATOR81.
I need to find what is the first number in the line :
<port id="jms" range="3821-3822"/>
In this example : 3821

The steps suppose to be:
1. Find the line : <process-type id="OC4J_RiGHTv_PLATOR81"
2. Under this line ,find the line : <port id="jms" range="3821-3822"/>
3. Cut the first number after "range="

Is there a way to do it in one command?

Thanks in advance,
Nir
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  #2  
Old 09-21-2005
vino's Avatar
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3. Cut the first number after "range="

Cut ? What do you mean ? Retrieve the first number only or remove that number from the line ?

vino
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  #3  
Old 09-21-2005
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Looks very similiar to another post of yours Cutting number from range in xml file

Change the rmi to jms in the sed solution.

vino
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  #4  
Old 09-21-2005
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Join Date: Jun 2004
Posts: 146
Hi vino,

How are you?

In this thread I need something different than my former thread.
I need to retrieve the first number only after "range=" in this file section.
Last time I needed to replace the values in the section and you gave me a beautiful "sed" command.
Now I need to retrieve a value.

Thanks again!

Nir
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  #5  
Old 09-21-2005
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Location: Bangalore, India
Posts: 2,699
Without re-inventing the wheel again, here is the solution

Code:
sed -n '/process-type id="'"OC4J_RiGHTv_PLATOR81"'"/,/<\/process-type>/{ s/<port id="jms".*\([0-9]\{4\}\)-.*/\1/p }' nir.xml
vino
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  #6  
Old 09-21-2005
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Join Date: Jun 2004
Posts: 146
It seems that you invented the wheel of sed ....
As always,your solutions are amazing!

Thanks a lot my friend!!

Best regards,
Nir
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