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# toml-patch
A command-line tool to apply updates from a JSON file to a TOML file,
while preserving comments in the latter (thanks to [toml_edit]).
```
$ toml-patch <(echo '# test\na=true') <(echo '{"x": {"y": 42}}')
# test
a=true
[x]
y = 42
```
Note that the JSON document must be a JSON object and that `null` values
will result in existing key/value pairs being removed.
By default the updated TOML document is printed to stdout, you can pass `--write` to instead overwrite the specified TOML file.
## Limitations
* No partial updates for arrays.
* No support for setting any of TOMLs date/time types.
[toml_edit]: https://crates.io/crates/toml_edit
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