Shell Programming and Scripting

<ns:Body>
<ns:result>
<Date Month="June"  Day="Monday:/>
</ns:result>
</ns:Body>

Month  June July August
Day    Monday Tuesday Wednesday

<ns:Body>
<ns:result>
<Date Month="June"  Day="Monday:/>
<Date Month="July"  Day="Tuesday:/>
<Date Month="August"  Day="Wednesday:/>
</ns:result>
</ns:Body>

awk -v max=0 'BEGIN{ print "<ns:Body>\n<ns:result>"; }
/^Month/ {for (i=1;i<=NF;i++) {M[i]=$i;}if(NF>max) {max=NF}}
/^Day/{for (i=1;i<=NF;i++) {D[i]=$i;} if(NF>max) {max=NF} }
END { for (i=2;i<=max;i++) {print "<Date Month=\""M[i]"\"  Day=\""D[i]"\"/>";}
print "</ns:result>\n</ns:Body>"; }' lookup_file

<ns:Body>
<ns:result>
<class classname="date">
<Date Month="June"  Day="Monday:/>
</class>
<class classname="time">
<time minutes="30" seconds="12"/>
</class>
</ns:result>
</ns:Body>

abc="month"
var=x_$abc

x_month June July August
y_month June august
Day    Monday Tuesday Wednesday