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Update docs/src/extensions.md

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Co-authored-by: Sylvestre Ledru <sylvestre@debian.org>
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Jeremy Smart 2025-05-18 20:55:49 +00:00 • committed by GitHub
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@ -25,7 +25,9 @@ $ ls -w=80
GNU `env` allows the empty string to be used as an environment variable name. This is explicitly
unsupported by the Rust standard library (see the
[docs](https://doc.rust-lang.org/stable/std/env/fn.set_var.html) for more information), so uutils
will show a warning on any such assignment. `env` has an additional `-f`/`--file` flag that can
will show a warning on any such assignment.
`env` has an additional `-f`/`--file` flag that can
parse `.env` files and set variables accordingly. This feature is adopted from `dotenv` style
packages.