GREP for a tag in XML File


 
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# 1  
Old 07-29-2013
GREP for a tag in XML File

I have 2 XML Data files with a tag named PARTICIPATION_TYPE and i am trying to grep for that and getting unique values. However one of the xml data file data is not aligned properly like below.

File 1: (works fine when i do grep)
Code:
grep "PARTICIPATION_TYPE" file1.xml | sort -u

Data:
Code:
....
<NAICS_PCT_PRIMARY>1</NAICS_PCT_PRIMARY>
<GROSS_COMMIT>335000</GROSS_COMMIT>
<PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE>
<MASTER_NOTE_NUMBER>2581777</MASTER_NOTE_NUMBER>
<CROSS_COLLATERAL_FLAG>0</CROSS_COLLATERAL_FLAG>
<LOAN_PURPOSE>7</LOAN_PURPOSE>
<REVOLVING_STATUS>0</REVOLVING_STATUS>
<EXPECTED_LOSS_PCT>0.1725105372</EXPECTED_LOSS_PCT>
<RECORD_TYPE>LN</RECORD_TYPE>
<APPRAISAL_DATE_RE>2008-05-12</APPRAISAL_DATE_RE>
<APPRAISED_VALUE_RE>879496</APPRAISED_VALUE_RE>
<COLL_INSPECTION_DATE>2008-05-12</COLL_INSPECTION_DATE>
<COLL_TYPE>2</COLL_TYPE>
<LOAN_ACRES_COLLATERAL>5778</LOAN_ACRES_COLLATERAL>
<LOAN_TO_AV>.3291057719</LOAN_TO_AV>
<LOAN_TO_AV_ORIGINAL>.38089997</LOAN_TO_AV_ORIGINAL>
<LOAN_TO_TOTAL_COLLATERAL_VALUE>.3291057719</LOAN_TO_TOTAL_COLLATERAL_VALUE>
<NRV_TOTAL>0</NRV_TOTAL>
<VALUE_OF_IMPROVEMENTS>0</VALUE_OF_IMPROVEMENTS>
<STATUS_FLAG>1</STATUS_FLAG>
<UMBRELLA_NUMBER>2581777</UMBRELLA_NUMBER>....

Output:
Code:
        <PARTICIPATION_TYPE>BO</PARTICIPATION_TYPE>
        <PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE>
        <PARTICIPATION_TYPE>M</PARTICIPATION_TYPE>
        <PARTICIPATION_TYPE>NP</PARTICIPATION_TYPE>
        <PARTICIPATION_TYPE>SO</PARTICIPATION_TYPE>
        <PARTICIPATION_TYPE>SS</PARTICIPATION_TYPE>

File 2: (Doesn't works fine when i do grep, it returns multiple lines)
Code:
grep "PARTICIPATION_TYPE" file2.xml | sort -u

so i tried this as well but still not working
Code:
grep "PARTICIPATION_TYPE" file2.xml | awk -F"<PARTICIPATION_TYPE>" '{print $1}'

Data:
Code:
<NAICS_PCT_PRIMARY>1</NAICS_PCT_PRIMARY><GROSS_COMMIT>335000</GROSS_COMMIT><PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE><MASTER_NOTE_NUMBER>2581777</MASTER_NOTE_NUMBER><CROSS_COLLATERAL_FLAG>0</CROSS_COLLATERAL_FLAG><LOAN_PURPOSE>7</LOAN_PURPOSE><REVOLVING_STATUS>0</REVOLVING_STATUS><EXPECTED_LOSS_PCT>0.1725105372</EXPECTED_LOSS_PCT><RECORD_TYPE>LN</RECORD_TYPE><APPRAISAL_DATE_RE>2008-05-12</APPRAISAL_DATE_RE><APPRAISED_VALUE_RE>879496</APPRAISED_VALUE_RE><COLL_INSPECTION_DATE>2008-05-12</COLL_INSPECTION_DATE><COLL_TYPE>2</COLL_TYPE><LOAN_ACRES_COLLATERAL>5778</LOAN_ACRES_COLLATERAL><LOAN_TO_AV>.3291057719</LOAN_TO_AV><LOAN_TO_AV_ORIGINAL>.38089997</LOAN_TO_AV_ORIGINAL><LOAN_TO_TOTAL_COLLATERAL_VALUE>.3291057719</LOAN_TO_TOTAL_COLLATERAL_VALUE><NRV_TOTAL>0</NRV_TOTAL><VALUE_OF_IMPROVEMENTS>0</VALUE_OF_IMPROVEMENTS><STATUS_FLAG>1</STATUS_FLAG><UMBRELLA_NUMBER>2581777</UMBRELLA_NUMBER>
<NAICS_PCT_PRIMARY>1</NAICS_PCT_PRIMARY><GROSS_COMMIT>1281000</GROSS_COMMIT><PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE><MASTER_NOTE_NUMBER>2566058</MASTER_NOTE_NUMBER><CROSS_COLLATERAL_FLAG>0</CROSS_COLLATERAL_FLAG><LOAN_PURPOSE>20</LOAN_PURPOSE><REVOLVING_STATUS>0</REVOLVING_STATUS><EXPECTED_LOSS_PCT>0.0778920588</EXPECTED_LOSS_PCT><RECORD_TYPE>LN</RECORD_TYPE><COLL_TYPE>5</COLL_TYPE><LOAN_TO_AV>0</LOAN_TO_AV><LOAN_TO_AV_ORIGINAL>.3462162162</LOAN_TO_AV_ORIGINAL><LOAN_TO_TOTAL_COLLATERAL_VALUE>.0825253409</LOAN_TO_TOTAL_COLLATERAL_VALUE><NRV_TOTAL>2658750</NRV_TOTAL><STATUS_FLAG>1</STATUS_FLAG><UMBRELLA_NUMBER>2566058</UMBRELLA_NUMBER>

please help.

Thanks.
# 2  
Old 07-29-2013
Try:
Code:
perl -nle '/<PARTICIPATION_TYPE>.*?<\/PARTICIPATION_TYPE>/ && print $&' file.xml

# 3  
Old 07-29-2013
Quote:
Originally Posted by bartus11
Try:
Code:
perl -nle '/<PARTICIPATION_TYPE>.*?<\/PARTICIPATION_TYPE>/ && print $&' file.xml

Thank you, can you please explain a bit for the usage of below special character in your post.

.*?

print $&

thanks.
# 4  
Old 07-29-2013
.*? is a "non-greedy" match, meaning it will match shortest possible match, for example if we have sample data:
Code:
<PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE><PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE>

<PARTICIPATION_TYPE>.*?<\/PARTICIPATION_TYPE>will match <PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE>while <PARTICIPATION_TYPE>.*<\/PARTICIPATION_TYPE>would match<PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE><PARTICIPATION_TYPE>BS</PARTICIPATION_TYPE>
$& contains the last match.
This User Gave Thanks to bartus11 For This Post:
 
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