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Top Forums UNIX for Dummies Questions & Answers replace the n'th occurance in a file Post 302202177 by subin_bala on Wednesday 4th of June 2008 09:22:10 AM
Old 06-04-2008
replace the n'th occurance in a file

Hi All,

How can i replace the n'th occurance in a file. ?
I have a property file like

EAR;_TrackingEAR;META-INF/application.xml;xml;context-root;1;valeur
EAR;_TrackingEAR;META-INF/application.xml;xml;context-root;2;valeur2
EAR;_TrackingEAR;META-INF/application.xml;xml;context-root;3;valeur2


i need to replace the <context-root> tag value in the application.xml file with new value valeur,valeur2 etc
1 means update the first occurance with valeur,
2 means second occurance with valeur2
3 for third occurance ...

How can i do this using sed or any other command ??

Thanks in advance

Subin
 

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asadmin-deploy(1AS)						   User Commands					       asadmin-deploy(1AS)

NAME
asadmin-deploy, deploy - deploys the specifiedcomponent SYNOPSIS
deploy --user admin_user [--password admin_password] [--host localhost] [--port 4848] [--secure|-s] [--passwordfile filename] [--terse=false] [--echo=false] [--interactive] [--virtualservers virtual_servers] [--contextroot context_root] [--force=true] [--precom- pilejsp=false] [--verify=false] [--name component_name] [--upload=true] [--retrieve local_dirpath] [--dbvendorname dbvendorname] [--cre- atetables=true|false | --dropandcreatetables=true|false] [--uniquetablenames=true|false] [--deploymentplan deployment_plan] [--enabled=true] filepath Deploys an EJB, web, connector or application. If the component is already deployed or already exists, it is forcefully re-deployed if the --force option is set to true. The --createtables and --dropandcreatetables options are booleans and therefore can take the values of true or false. These options are only used during deployment of CMP beans that have not been mapped to a database (i.e., no sun-cmp-mappings.xml descriptor is provided in the module's META-INF directory). They are ignored otherwise. The --createtables option and --dropandcreatetables option are mutually exclusive; only one should be used. If drop and/or create tables fails, the deployment does not fail; a warning message is provided in the log file. This command is supported in remote mode only. OPTIONS
--user authorized domain application server administrative username. --password password to administer the domain application server. --host machine name where the domain application server is running. --port port number of the domain application server listening for administration requests. --secure if true, uses SSL/TLS to communicate with the domain application server. --passwordfile file containing the domain application server password. --terse indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well- formatted data for consumption by a script. --echo setting to true will echo the command line statement on the standard output. --interactive prompts you for the required options that are not already specified. --virtualservers comma separated list of virtual server name. --contextroot valid only if the archive is a web module. It is ignored for other archive types; defaults to filename without extension. --force makes sure the component is forcefully (re)deployed even if the specified component has already been deployed or already exists. --precompilejsp by default is set to false which does not allow the JSP to pre-compile during deployment. Instead JSPs are compiled during runtime. --verify if set to true, the syntax and semantics of the deployment descriptor is verified. --name name of the deployable component. --upload when set to true, uploads the deployable file to the administration server. If the filepath of the deployable file is mounted to the server machine, or if the administration server is running locally, set the upload option to false. --retrieve retrieves the client stub JAR file from the server machine to the local directory. --dbvendorname name of database vendor being used. Default is the corresponding entry in the cmp-resource() element of the sun- ejb-jar.xml file. If not specified the default is SQL92. Thereby the DDL files to create and drop tables will be generated in SQL92 format. --createtables creates tables at deploy of an application with unmapped CMP beans. Default is the corresponding entry in the cmp- resource element of the sun-ejb-jar.xml file. If not specified, defaults to the entries specified in the deployment descriptors. --dropandcreatetables drops tables at redeploy of an already deployed application with unmapped CMP beans. If not specified, the tables will be dropped if the drop-tables-at-undeploy entry in the cmp-resource element of the sun-ejb-jar.xml file is set to true. The new tables are created if the create-tables-at-deploy entry in the cmp-resource element of the sun- ejb-jar.xml file is set to true. On redeploy the tables created by the previous deploy are dropped before creating the new tables. --uniquetablenames guarantees unique table names for all the beans and results in a hashcode added to the table names. This is useful if you have an application with case-sensitive bean names. --deploymentplan takes the deployment plan, which is a JAR containing Sun-specific descriptors, and deploys it. This should be passed along when deploying a pure EAR file. A pure EAR file is an EAR without Sun-specific descriptors. --enabled if set to true (default), allows user to access the application. If set to false, user will not be able to access the application. OPERANDS
filepath path to the deployable file on the local machine if the --upload option is set to true; otherwise the absolute path to the file on the server machine. Example 1: Deploying a J2EE application Deploy (install) the J2EE application packaged in the Cart.ear file. asadmin> deploy --user admin --password admin123 --host murph --port 4848 Cart.ear Command deploy executed successfully Example 2: Deploying a Web application with the default context root Deploy the Web application in the hello.war file at the hello context root. asadmin> deploy --user admin hello.war Command deploy executed successfully Example 3: Deploying an enterprise bean (EJB component) Deploy and enterprise bean with container-managed persistence (CMP) and create the database tables used by the bean. asadmin> deploy --user admin --createtables=true EmployeeEJB.jar Command deploy executed successfully Example 4: Deploying a connector module (resource adapter) Deploy a connector module packaged in a RAR file. asadmin> deploy --user admin jdbcra.rar Command deploy executed successfully EXIT STATUS
0 command executed successfully 1 error in executing the command asadmin-undeploy(1AS), asadmin-list-components(1AS) J2EE 1.4 SDK March 2004 asadmin-deploy(1AS)
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