concatinate a string with output of echo statement

Shell Programming and Scripting
1

I need to concatinate a string (mapping-expression) with the output of below statement

EXPRESS="cat //normalization-binding[@type=\"D\"]//tag-normalization/tag-name"

echo $EXPRESS | xmllint --shell QA_Oct12_DIR.cfb | grep -v "/ >" >> "/home/testBinding.txt"

above statement write value="$6061" into the text file but i need output in below format in text file....

mapping-expression : value="$6061"

---------- Post updated at 10:03 AM ---------- Previous update was at 09:48 AM ----------

can any one plse reply...

2 
echo -n "mapping-expression :" >> /home/testBinding.txt
echo $EXPRESS | xmllint --shell QA_Oct12_DIR.cfb | grep -v "/ >" >> /home/testBinding.txt