write_kv
Writes events in a Key-Value format.
write_kv [field_separator=str, value_separator=str, list_separator=str,
flatten_separator=str, null_value=str]
Description
Writes events in a Key-Value format, with one event per line. Nested data will
be flattend, keys or values containing the given separators will be quoted and
the special characters \n, \r, \ and " will be escaped.
field_separator = str (optional)
A string that shall separate the key-value pairs.
Must not be an empty string.
Defaults to " ".
value_separator = str (optional)
A string that shall separate key and value within key-value pair.
Must not be an empty string.
Defaults to "=".
list_separator = str (optional)
Must not be an empty string.
Defaults to ",".
flatten_separator = str (optional)
A string to join the keys of nested records with. For example,
given flatten="."
Defaults to ".".
null_value = str (optional)
A string to represent null values.
Defaults to the empty string.
Examples
Conditionally quoted strings
from {x: "hello world", y: "hello=world"}x="hello world" y:"hello=world"Flattend output
from {x: {y: {z:0}, y2:42}, a: "string" }
write_kv
x.y.z=0 y.y2=42 a=string