History

• history — Get the command history.
• history import — Import command line history.
• history session — Get the command history session.

Ported from nushell/nushell.github.io. Copyright (c) 2021 Nushell Project. MIT License.

Tips

Intro

history lists commands from this shell.

history | length

history session is the current session id.

history session | into string

Basic

The history length is a number.

history | length | math abs

Measure the session id text.

history session | into string | str length

Intermediate

Count the history, then count that text.

history | length | into string | str length

Filter the history column names.

history | columns | where {|c| $c != ""} | length

Advanced

Four steps from the history length.

history | length | into string | str length | math abs