Warning
This program is experimental ⟨@docroot@/development/experimental-features.md#xp-feature-nix-command⟩ and its interface is subject to change.
Name
nix store cat - print the contents of a file in the Nix store on stdout
Synopsis
nix store cat [option…] path
Examples
- •
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Show the contents of a file in a binary cache:
# 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.
Options
Logging-related options
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-
--debug⟨#opt-debug⟩
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Set the logging verbosity level to ‘debug’.
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--log-format⟨#opt-log-format⟩ format
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Set the format of log output; one of
raw,internal-json,barorbar-with-logs.
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--print-build-logs⟨#opt-print-build-logs⟩ /-L
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Print full build logs on standard error.
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--quiet⟨#opt-quiet⟩
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Decrease the logging verbosity level.
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--verbose⟨#opt-verbose⟩ /-v
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Increase the logging verbosity level.
Miscellaneous global options
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--help⟨#opt-help⟩
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Show usage information.
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--offline⟨#opt-offline⟩
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Disable substituters and consider all previously downloaded files up-to-date.
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--option⟨#opt-option⟩ name value
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Set the Nix configuration setting name to value (overriding
nix.conf).
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--refresh⟨#opt-refresh⟩
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Consider all previously downloaded files out-of-date.
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--version⟨#opt-version⟩
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Show version information.
Note
See
man nix.conf⟨@docroot@/command-ref/conf-file.md#command-line-flags⟩ for overriding configuration settings with command line flags.