head
Limits the input to the first N events.
Synopsis
head [<limit>]
Description
The semantics of the head
operator are the same of the equivalent Unix tool:
process a fixed number of events from the input. The operator terminates
after it has reached its limit.
head <limit>
is a shorthand notation for slice :<limit>
.
<limit>
An unsigned integer denoting how many events to keep.
Defaults to 10.
Examples
Get the first ten events:
head
Get the first five events:
head 5