- Overriding a config value : foo.bar=value
- Appending a config value : +foo.bar=value
- Appending or overriding a config value : ++foo.bar=value
- Removing a config value : ~foo.bar, ~foo.bar=value
See https://hydra.cc/docs/advanced/override_grammar/basic/#modifying-the-config-object
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Breaking changes:
To modify a list, `foo[0]=bar` must now be passed as `foo.0=bar`.
Modifying a nested list inside a dictionary is not supported by omegaconf.
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Closes#4883Closes#5868Closes#6129