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Full Discussion: Need Help in extracting data from XML File
Top Forums Shell Programming and Scripting Need Help in extracting data from XML File Post 302929614 by vx04 on Tuesday 23rd of December 2014 11:32:56 AM
Old 12-23-2014
Hi Guys
Thanks for taking time to reply. I wanted to mention that we are using AIX 6.1 and none of the answers seemed to work.

Here is the error I get on each


Input File
==========


Code:
==> cat Hospital.xml
<?xml version="1.0" encoding="utf-8"?>
<xml xmlns:s='uuid:XYZ'
     xmlns:dt='uuid:ABC'
     xmlns:rs='urn:schemas-microsoft-com:rowset'
     xmlns:z='#RowsetSchema'>
<s:Schema id='RowsetSchema'>
   <s:ElementType name='row' content='eltOnly' rs:CommandTimeout='30'>
      <s:AttributeType name='First_Name' rs:name='First_Name' rs:number='1'>
         <s:datatype dt:type='string' dt:maxLength='100' />
      </s:AttributeType>
      <s:AttributeType name='Hospital_Name' rs:name='Hospital_Name' rs:number='2'>
         <s:datatype dt:type='string' dt:maxLength='100' />
      </s:AttributeType>
      <s:AttributeType name='Dept_Name' rs:name='Dept_Name' rs:number='3'>
         <s:datatype dt:type='string' dt:maxLength='100' />
      </s:AttributeType>
   </s:ElementType>
</s:Schema>
<rs:data>
   <z:First_Name='John Doe' Hospital_Name='XYZ Hospital' Dept_Name='Heart Health' />
   <z:First_Name='Jane Doe' Hospital_Name='XYZ Hospital' Dept_Name='Maternity' />
</rs:data>
</xml>

I am using AIX 6.1 version.


=======

1st Solution by anbu23 does not bring any results.

Code:
==> cat scr1.ksh
sed -n "/^<z:/s/[^']*\('[^']*'\)[^']*\('[^']*'\)[^']*\('[^']*'\).*/\1,\2,\3/p" Hospital.xml

Code:
==> ./scr1.ksh > scr1_out.txt

-rw-rw-rw-    1 user1 group1            0 Dec 23 10:16 scr1_out.txt

=========================================================================

2nd Solution by RavinderSingh13 gives regular expression editor error

Code:
==> cat scr2.ksh
awk -vs1="'" -F"' " '{if($0 ~ /<rs:data>/){B=1;getline}} {if($0 ~ /<\/rs:data>/){B=0}}  B{for(i=1;i<=NF;i++){gsub(/.*\=||[/><]/,X,$i);A=A?A s1","$i:$i};gsub(/\, $/,X,A);gsub(/\,$/,X,A);print A;A=""}' Hospital.xml

==> ./scr2.ksh
Code:
awk: 0602-521 There is a regular expression error.
        [] imbalance
 The source line number is 1.
 The error context is
                {if($0 ~ /<rs:data>/){B=1;getline}} {if($0 ~ /<\/rs:data>/){B=0}}  >>>  B{for(i=1;i<=NF;i++){gsub(/.*\=||[/> <<< <]/,X,$i);A=A?A s1","$i:$i};gsub(/\, $/,X,A);gsub(/\,$/,X,A);print A;A=""}

=========================================================================

Alternate solution by RavinderSingh13 also gives regular expression error

Code:
==> cat scr3.ksh
awk -vs1="'" -F"' " '
                        {if($0 ~ /<rs:data>/)
                                                {B=1;getline}
                        }
                        {if($0 ~ /<\/rs:data>/)
                                                {B=0}
                        }
                        B{for(i=1;i<=NF;i++)     {
                                                 gsub(/.*\=||[/><]/,X,$i);
                                                 A=A?A s1","$i:$i};
                                                 gsub(/\, $/,X,A);
                                                 gsub(/\,$/,X,A);
                                                 print A;A=""
                        }
                    '  Hospital.xml



Code:
==> ./scr3.ksh
awk: 0602-521 There is a regular expression error.
        [] imbalance
 The source line number is 9.
 The error context is
                                                                 >>>  gsub(/.*\=||[/> <<< <]/,X,$i);



=========================================================================

3rd Solution by Akhsay Hegde does not give any error but no output


Code:
==> cat scr4.ksh
awk -F"'"  '/^<z/{s=""; for (i=2; i<=NF; i+=2) s = sprintf("%s%s\047%s\047",s,(s?OFS:""),$i ); print s }' OFS=, Hospital.xml

Code:
==> ./scr4.ksh

No output

=========================================================================

4th Solution by RudiC gives error that function can not be parsed.


Code:
==> cat scr5.ksh
sed -n "/<rs:data>/,/<\/rs:data>/{s/^.*<rs:data>//;s/<\/rs:data>.*$//;s/^<z[^=']*=//;s/ [^=']*=/,/g;s/[^']*$//;p}" Hospital.xml

Code:
==> ./scr5.ksh
sed: Function /<rs:data>/,/<\/rs:data>/{s/^.*<rs:data>//;s/<\/rs:data>.*$//;s/^<z[^=']*=//;s/ [^=']*=/,/g;s/[^']*$//;p} 
     cannot be parsed.

=========================================================================
Last edited by Scrutinizer; 12-23-2014 at 12:39 PM.. Reason: CODE tags
 

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