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nix3-nar(1) General Commands Manual nix3-nar(1)

Warning: This program is experimental and its interface is subject to change.


nix nar - create or inspect NAR files


nix nar [option…] subcommand

where subcommand is one of the following:

  • nix nar cat (./ - print the contents of a file inside a NAR file on stdout

  • nix nar dump-path (./ - serialise a path to stdout in NAR format

  • nix nar ls (./ - show information about a path inside a NAR file


nix nar provides several subcommands for creating and inspecting Nix Archives (NARs).

File format

For the definition of the NAR file format, see Figure 5.2 in