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Explain that $env is case-insensitive #1376

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May 1, 2024
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Explain that $env is case-insensitive #1376

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6 changes: 6 additions & 0 deletions book/environment.md
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### Case sensitivity

Nushell's `$env` is case-insensitive, regardless of the OS. Although `$env` behaves mostly like a record, it is special in that it ignores the case when reading or updating. This means, for example, you can use any of `$env.PATH`, `$env.Path`, or `$env.path`, and they all work the same on any OS.

If you want to read `$env` in a case-sensitive manner, use `$env | get --sensitive`.

## Scoping

When you set an environment variable, it will be available only in the current scope (the block you're in and any block inside of it).
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