nix store cat: Displaying File Contents in a Nix Store

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# Examples

* Show the contents of a file in a binary cache:

  ```console
  # nix store cat --store https://cache.nixos.org/ \
      /nix/store/0i2jd68mp5g6h2sa5k9c85rb80sn8hi9-hello-2.10/bin/hello | hexdump -C | head -n1
  00000000  7f 45 4c 46 02 01 01 00  00 00 00 00 00 00 00 00  |.ELF............|
  ```

# Description

This command prints on standard output the contents of the regular
file *path* in a Nix store. *path* can be a top-level store path or
any file inside a store path.

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Title: nix store cat: Displaying File Contents in a Nix Store

Summary

The `nix store cat` command allows users to display the contents of a file located within a Nix store. The file path can be a top-level store path or a file within a store path. The output is printed to standard output.