trim()

Removes whitespaces (including tabs and newlines) from the left and right of the string. If it receives a value other than the string, it trims the value after converting it to a string.

Syntax

trim(STR_EXPR)
Required Parameters
STR_EXPR
Source string expression. If the expression is null, the function returns null.

Usage

json "{}" | eval trimed=trim(" hello world ")
  => "hello world"

json "{}" | eval trimed=trim(123)
  => "123"

json "{}" | eval trimed=trim(null)
  => null