nix-repl

starts interactive Nix shell

TLDR

Start Nix REPL

$ nix repl

Load nixpkgs

$ nix repl '<nixpkgs>'

Load flake

$ nix repl [.#]

Load file

$ nix repl [file.nix]

SYNOPSIS

nix repl [options] [files]

DESCRIPTION

nix repl starts interactive Nix shell. Evaluate expressions interactively.
The tool provides tab completion. Load packages and explore attributes.

PARAMETERS

FILES

Nix files to load.

--expr EXPR

Evaluate expression first.

--help

Display help information.

CAVEATS

Part of Nix CLI. :? for help. Expression evaluation.

HISTORY

nix repl provides interactive evaluation for exploring and debugging Nix expressions.