nddiff - diff tool for nested data structures
nddiff [OPTIONS] <file1> <file2> [<file3> ... ]
Diff for nested data structures with human friendly and machine-readable output formats.
Where X is an op tag:
U(unchanged). All ops enabled by default, except
U. See "DIFF FORMAT" in Struct::Diff for more info about nested diff format.
Show where differences occured, but don't show what exactly changed.
On/Off colors for diff.
- --ctx-text [int]
Amount of lines for multiline values context. Default is 3.
Print full headers (delta printed by default).
- --grep <path>
Grep substructures to diff. See path syntax description at https://metacpan.org/pod/Struct::Path::PerlStyle
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.
- --ignore <path>
Ignore substructure. May be used several times.
Use JSON as output diff format.
- --ofmt <JSON|YAML>
On/Off pretty-print for JSON. Enabled by default.
Don't show diff, only exit code shows exists diff or not.
Dump diff as rules for ndproc.
Visualize diff (JSON/YAML formatted diff expected for argument).
- --verbose|-v [int]
Increase verbosity, max level is 4.
Print version and exit.
nddiff a.json b.json
nddiff --json a.json b.json
Same as above, but without added items:
nddiff --noA --json a.json b.json
0 No errors, no diff. 1 Generic error code. 2 I/O Error. 4 Path related errors. 8 Difference found.
Report bugs to https://github.com/mr-mixas/NDTools/issues
Copyright 2016-2018 Michael Samoglyadov
<mixas at cpan.org>.
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.