Splunk Search

How to use predicate expression in search?

Julia1231
Communicator

Hi everybody,
My data is: A = 10, B= 20, C = 30.
the fomular that I use is: result = A/(B+C) but I have to verify, the result only displays when 3 values exist, if not (one of them or 3 of them are null), it displays as "--".

here is my command:

|eval Result= case(isnotnull(A) AND isnotnull(B) AND isnotnull(C) ,round(A/(B+ C)),1=1, "--")

For now, if one of them is null, it displays "--" but when 3 of them are null, it show the text "No result".

How can I show it llike "--" for the 2 cases: 1 of them or 3 of them are null, it always show "--"

THANKS

Labels (1)
0 Karma

ITWhisperer
SplunkTrust
SplunkTrust

Splunk works on events in an event pipeline - if all 3 are null, it probably means there are no events in the pipeline?

Assuming this to be the case, you can use appendpipe to create an event, something like this:

| appendpipe [ stats _count | where _count = 0 | eval Result="--"]

 

0 Karma
Get Updates on the Splunk Community!

Index This | What’s a riddle wrapped in an enigma?

September 2025 Edition Hayyy Splunk Education Enthusiasts and the Eternally Curious!  We’re back with this ...

BORE at .conf25

Boss Of Regular Expression (BORE) was an interactive session run again this year at .conf25 by the brilliant ...

OpenTelemetry for Legacy Apps? Yes, You Can!

This article is a follow-up to my previous article posted on the OpenTelemetry Blog, "Your Critical Legacy App ...