Splunk Search

How do I insert values for different fields in different rows?

umsundar2015
Path Finder

HI,

My data is like ,

Sno Name URL Column2
1 A Null Null
2 Null https:/ Null
3 Null Null fast

Here I need to fill values in null values using our Splunk search query.

Please help with this query. How do I insert values in the Null value fields?

Regards.

0 Karma

DalJeanis
Legend

Please specify what you want the output to look like.

0 Karma

twh1
Communicator

Hi @umsundar2015 ,
you can use the below query to fill specific value.

base search | eval field_name= if(field_name==" ", "-", field_name)

This query will fill '-' if any null value come, else field value will be passed.

0 Karma

SathyaNarayanan
Path Finder

You can use | fillnull value=

If you want to give value for Specific fields.

| fillnull value=

0 Karma

umsundar2015
Path Finder

Thanks for your reply .
But i need to insert unique values for each field and row .
Can some on help me .

0 Karma

SathyaNarayanan
Path Finder

You use eval command with if or Match for it.

| eval test=if(fieldname=fieldvalue,unique value , 0)

0 Karma
Got questions? Get answers!

Join the Splunk Community Slack to learn, troubleshoot, and make connections with fellow Splunk practitioners in real time!

Meet up IRL or virtually!

Join Splunk User Groups to connect and learn in-person by region or remotely by topic or industry.

Get Updates on the Splunk Community!

Think Like an Architect: Introducing the Splunk Certified Cybersecurity Defense ...

In cybersecurity, defenders respond to threats. Architects design the systems that stop them.    As ...

Index This | What has goals but no motivation?

June 2026 Edition  Hayyy Splunk Education Enthusiasts and the Eternally Curious!   We’re back with this ...

Deep Dive: Accelerate threat investigation with Splunk’s AI Assistant in Security

AI is one of the biggest topics in the market today, and for security teams, its value goes far beyond the ...