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Full Discussion: Extract values from xml file script
Top Forums Shell Programming and Scripting Extract values from xml file script Post 303019544 by Ophiuchus on Sunday 1st of July 2018 11:05:08 PM
Old 07-02-2018
Quote:
Originally Posted by stomp
Hi,

I suggest to use an XML-Tool for parsing an XML-File. Look at the thread here for some tools:

That are a lot of xmllint calls. I myself would use a scripting language that has xml as library. But Bash with xmllint should be possible to albeit not so fast.
Hi stomp, thanks for your answer and suggestion. I'll have in mind this xml tool, but for now I think I close to get the output desired with awk.

---------- Post updated at 11:05 PM ---------- Previous update was at 11:04 PM ----------

Quote:
Originally Posted by Chubler_XL
This appears to work OK for you sample input:
Hi Chubler_XL,

Thanks. It works, but trying with a real input xml it prints a kind of different output, this was mmy fault
since in order to make the sample input shorter I missed some nodes.

Below I present a more representative sample file.
- The nodes STR_VAL and PRO_VAL are the same structure, the issue is exist a parent node called <GROUP_Ranges> that contains
the children <XB_Ranges>, <PR_Ranges> and <KJ_Ranges>. Each one of this children have the same sub-children named OD, ODF, ODRange, etc.
The output desired remains the same, I only want to extract the sub-children of <PR_Ranges>, since my first sample file was less representative, your
current solution is printing the sub-children of <XB_Ranges> and sub-children of <KJ_Ranges>. In addition, the values of STX, STY, PRX, and PRY are not being
printed when input file is like this second sample file.

May be you can help me to fix this, how to print the same output as before but considering only values from PR_Ranges.

The input file 2 is:
Code:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<ProjectInfo>
<ProjectName>ABDFC</ProjectName>
<StructList>
    <Struct>
    <StructData>    
    <NameID>ROPSL</NameID>  
            <GROUP_Ranges>
              <XB_Ranges>
                <RangesInfo>
                  <ValueRange>
                    <OD>534</OD>
                    <ODF>91</ODF>
                    <ODRange>
                      <ODRangeStart>00</ODRangeStart>
                      <ODRangeStop>99</ODRangeStop>
                    </ODRange>
                  </ValueRange>
                </RangesInfo>
              </XB_Ranges>
              <PR_Ranges>
                <RangesInfo>
                  <ValueRange>
                    <OD>534</OD>
                    <ODF>91</ODF>
                    <ODRange>
                      <ODRangeStart>56</ODRangeStart>
                      <ODRangeStop>879</ODRangeStop>
                    </ODRange>
                  </ValueRange>
                </RangesInfo>
                <RangesInfo>
                <ValueRange>
                    <OD>92</OD>
                    <ODF>21</ODF>
                    <ODRange>
                    <ODRangeStart>100</ODRangeStart>
                    <ODRangeStop>299</ODRangeStop>
                    </ODRange>
                </ValueRange>
                </RangesInfo>				
              </PR_Ranges>
              <KJ_Ranges>
                <ValueRange>
                  <OD>534</OD>
                  <ODF>91</ODF>
                  <ODRange>
                    <ODRangeStart>440</ODRangeStart>
                    <ODRangeStop>449</ODRangeStop>
                  </ODRange>
                </ValueRange>
              </KJ_Ranges>
            </GROUP_Ranges>
            <STR_VAL>
              <STX>283</STX>
              <STY>84</STY>
            </STR_VAL>
            <PRO_VAL>
              <PRX>534</PRX>
              <PRY>91</PRY>
            </PRO_VAL>	     
    </StructData>
    </Struct>  
</StructList>   
</ProjectInfo>

The output for this input file 2 would be like this:
Code:
ProjectName|NameID|STX-STY|PRX-PRY|OD-ODF|ODRangeStart|ODRangeStop
ABDFC|ROPSL|283-84|534-91|534-91|56|879
||||92-21|100|299

Thanks
 

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