Parse XML in bash

parsexml.sh

#! /bin/bash

#xml parser, assigns entity to $E and content to $C
rdom () { local IFS=\> ; read -d \< E C ;} # https://stackoverflow.com/questions/893585/how-to-parse-xml-in-bash/7052168#7052168

while rdom; do
    if [[ $E = $2 ]]; then
        echo $C
        exit
    fi
done  < $1

test.xml

<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
  <Name>sth-items</Name>
  <IsTruncated>false</IsTruncated>
  <Contents>
    <Key>[email protected]</Key>
    <LastModified>2011-07-25T22:23:04.000Z</LastModified>
    <ETag>&quot;0032a28286680abee71aed5d059c6a09&quot;</ETag>
    <Size>1785</Size>
    <StorageClass>STANDARD</StorageClass>
  </Contents>
</ListBucketResult>

$ ./parsexml.sh test.xml Key outputs "[email protected]"