coalesce Function in Splunk
cybersecurity security soc
The Splunk coalesce
function returns the first non-null value among its arguments. It’s useful for normalizing data from different sources with varying field names.
For example, to unify multiple source IP fields into a single src_ip
field:
| eval src_ip = coalesce(src_ip, sourceip, source_ip, sip, ip)
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