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Shell Programming and Scripting
Extracting a part of XML File
Post 302256588 by shridhard on Monday 10th of November 2008 07:21:07 AM
11-10-2008
Extracting a part of XML File
Hi Guys,
I have a very large XML feed (2.7 MB) which crashes the server at the time of parsing. Now to reduce the load on the server I have a cron job running every 5 min.'s. This job will get the file from the feed host and keep it in the local machine.
This does not solve the problem as the file still gets loaded in the server. The file looks something like this:
<?xml version="1.0" standalone="no"?>
<IRXML CorpMasterID="">
<NewsReleases PubDate="20081104" PubTime="16:48:03">
<NewsCategory Category="">
<NewsRelease ReleaseID="" DLU="20081104 16:47:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="16:33:00">11/4/2008 4:33:00 PM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
<NewsRelease ReleaseID="" DLU="20081104 09:19:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="09:01:00">11/4/2008 9:01:00 AM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
I want to write a shell script which will extract only the part starting from
<NewsRelease> till </NewsRelease>
Something like:
<NewsRelease ReleaseID="" DLU="20081104 09:19:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="09:01:00">11/4/2008 9:01:00 AM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
Also there is one more problem, in unix when the file is downloaded there are no return carriage, so the complete file appears to be in one line
.
Any help would be appreciated. Thanks,
Shridhar
I have a very large XML feed (2.7 MB) which crashes the server at the time of parsing. Now to reduce the load on the server I have a cron job running every 5 min.'s. This job will get the file from the feed host and keep it in the local machine.
This does not solve the problem as the file still gets loaded in the server. The file looks something like this:
<?xml version="1.0" standalone="no"?>
<IRXML CorpMasterID="">
<NewsReleases PubDate="20081104" PubTime="16:48:03">
<NewsCategory Category="">
<NewsRelease ReleaseID="" DLU="20081104 16:47:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="16:33:00">11/4/2008 4:33:00 PM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
<NewsRelease ReleaseID="" DLU="20081104 09:19:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="09:01:00">11/4/2008 9:01:00 AM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
I want to write a shell script which will extract only the part starting from
<NewsRelease> till </NewsRelease>
Something like:
<NewsRelease ReleaseID="" DLU="20081104 09:19:00" ArchiveStatus="Current"
RNSSource="">
<Title></Title>
<ExternalURL/>
<Date Date="20081104" Time="09:01:00">11/4/2008 9:01:00 AM</Date>
<ContentNetworkingLinks/>
<Categories>
<Category></Category>
</Categories>
</NewsRelease>
Also there is one more problem, in unix when the file is downloaded there are no return carriage, so the complete file appears to be in one line
.Any help would be appreciated. Thanks,
Shridhar
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LEARN ABOUT DEBIAN
qrerun
qrerun(1B) PBS qrerun(1B) NAME
qrerun - rerun a pbs batch job SYNOPSIS
qrerun [-f] job_identifier ... DESCRIPTION
The qrerun command directs that the specified jobs are to be rerun if possible. To rerun a job is to terminate the session leader of the job and return the job to the queued state in the execution queue in which the job currently resides. If a job is marked as not rerunable then the rerun request will fail for that job. If the mini-server running the job is down, or the rejects the request, the Rerun Job batch request will return a failure unless -f is used. Using -f violates IEEE Batch Processing Services Std and should be handled with great care. It should only be used under exceptional cir- cumstances. Best practice is to fix the problem mini-server host and letting qrerun run normally. The previous nodes may need manual cleaning. See the -r option on the qsub and qalter commands. OPERANDS
The qrerun command accepts one or more job_identifier operands of the form: sequence_number[.server_name][@server] STANDARD ERROR
The qrerun command will write a diagnostic message to standard error for each error occurrence. EXIT STATUS
Upon successful processing of all the operands presented to the qrerun command, the exit status will be a value of zero. If the qrerun command fails to process any operand, the command exits with a value greater than zero. SEE ALSO
qsub(1B), qalter(1B), pbs_alterjob(3B), pbs_rerunjob(3B) Local qrerun(1B)