NAME

ndquery - query tool for nested data structures

SYNOPSIS

ndquery [OPTIONS] <arguments>

Get specified by path parts from nested data structure

--[no]colors: On/Off colors in --list mode.
--delete|--ignore <path>: Delete substructure. May be used several times.
--depth|-d <int>: Combined with --list allows to define how much levels must be listed.
--grep <path>: Grep specified by path elements from structure. May be used several times.
--help|-h: Print a help message and exit.
--ifmt <JSON|YAML>: Force specified input format usage. Will be selected automatically (using file name extension) if omitted. YAML::XS should be installed for YAML support.
--keys: List keys for hash maps and indexes for arrays, others printed as is.
--list|-l: List structure's paths.
--md5: Calculate MD5 sum for structure.
--ofmt <JSON|YAML>: Force specified output format usage. JSON is used by default; YAML::XS should be installed for YAML support, see "LIMITATIONS" in App::NDTools for more info.
--path|-p <path>: Path in the structure to deal with.
--[no]pretty: On/Off pretty-print for JSON. Enabled by default.
--raw-output: Dont't format result scalars (strings/numbers) - dump them as is.
--replace: Replace original files by query result.
--[no]strict: Fail if unexisted path specified. Enabled by default.
--values|--vals: Values will be printed when combined with --list opt.
--verbose|-v [int]: Increase verbosity, max level is 4.
--version|-V: Print version and exit.

Show as pretty printed canonical JSON:

ndquery struct.json

Get specified path from document:

ndquery --path '{some}{path}[2]' struct.json

List subpaths:

ndquery --list --path '{some}{path}[2]' struct.json

Checksum for substructures:

ndquery --md5 --path '{some}{path}' struct.json another.json

0   No errors occured.
1   Generic error code.
2   I/O Error.
4   Path related errors.
8   Path does not exists.

This program is free software; you can redistribute it and/or modify it under the terms of GNU General Public License 3 or later versions.