我在下面的示例文件中有超过 1000 个条目。我想提取会话ID。样本输出应该是sessionId="1308130606029610103"
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<cdr-data>
<cdr>
<networkInfo payer="830459" payerType="0" pdpAddress="2" pdpType="0"
ratingGroup="2" redirectionCode="0" requestType="1006"
sequenceNumber="12" serviceIdentifier="0"
sessionId="1308130606029610103" sgsnAddress=""
sgsnMccMnc="" specialLocationClassId="0" spendControlId="0"
tariffToken="0" timeZone="" unitType="2"/>
</cdr>
<cdr-data>