#env

Observed native/Wasm profile (2026-09-04): this README is supplementary. The support record is the only capability authority; it lists the repeatable unified-runner results and exclusions.

Print the environment or execute one command with explicit environment changes. Supports -i/--ignore-environment and -u NAME/--unset=NAME. The common GNU path also accepts bare - as an empty-environment request, -0/--null for NUL-separated output, and -C/--chdir for the child working directory. --null with a child command fails with status 125. Command execution uses MoonBit's policy-visible process API, never a shell; the command and every argument are passed as separate argv entries. Because execution can create a child process, this package is not in the default policy allow-list.

Option/assignment precedence, repeated unsets, --, command lookup, and exit statuses 125 (command setup), 126 (not invokable), and 127 (not found) are covered by the P2 profile. Non-empty assignment names are passed through even when they are not shell identifiers, and the first assignment ends option scanning. --help remains an explicit status-125 rejection; it is not advertised as a successful help path.

The support claims in this README are for the Wasm artifact. Its environment starts from the policy-provided map before applying requested removals and assignments. Both the requested child working directory and executable must be authorized by the host policy.

Source Files

main.mbt

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