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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 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 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 [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 parse `.env` files and set variables accordingly. This feature is adopted from `dotenv` style
packages. packages.