How to extract first 3 characters of jenkinsfile parameter

Question

I need to extract the first 3 characters of jenkinsfile parameter:

string(name: 'DB_Type', defaultValue: 'mysql'  )

I tried the following but this did not work:

prefix=${params.db_type}
prefix=prefix.substring(0,2)

You have a typo: `params.db_type` instead of `params.DB_Type`. — Matthew Schuchard, Jul 22 '19 at 18:32
@Matt Schuchard Sorry for the typo, I tried with DB_Type, it does not work. — user312307, Jul 22 '19 at 19:21

score 2 · Answer 1 · answered Jul 23 '19 at 05:03

2

params.DB_Type?.substring(0,3)

answered Jul 23 '19 at 05:03

cfrick

1 Answers1