ratpNew.sh

#!/bin/zsh

read -d '' query << EOF
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"
xmlns="http://wsiv.ratp.fr" xmlns:xsd="http://wsiv.ratp.fr/xsd">
  <soap:Header/>
  <soap:Body>
    <getMissionsNext>
      <station>
        <xsd:id>181</xsd:id>
        <xsd:line>
          <xsd:id>M7</xsd:id>
        </xsd:line>
      </station>
      <direction>
        <xsd:sens>A</xsd:sens>
      </direction>
    </getMissionsNext>
  </soap:Body>
  </soap:Envelope>
EOF


xmlArgsParsingParts=(
  '//*[local-name()="Envelope"]/*[local-name()="Body"]'
  '/*[local-name()="getMissionsNextResponse"]'
  '/*[local-name()="return"]'
  '/*[local-name()="missions"]/*[local-name()="stationsMessages"]'
)
xmlArgsParsing=$(IFS=; echo "${xmlArgsParsingParts[*]}")

A=$(curl --silent -X POST \
     -H 'Content-Type: application/soap+xml;charset=UTF-8' \
     -d $query \
     'http://opendata-tr.ratp.fr/wsiv/services/Wsiv?wsdl=' | \
    xmllint --xpath $xmlArgsParsing - | \
     sed -e "s/<\//,<\\//g" | \
     sed 's/<[^>]*>//g' | \
     sed 's/.$//');

echo $A;