A runner backed by a lookup table, keyed by the full command line.
An unmatched command resolves to exit 127 rather than throwing: a missing binary is what the caller has to handle anyway, and a spec that wants the throw asserts on the code.
A runner backed by a lookup table, keyed by the full command line.
An unmatched command resolves to exit 127 rather than throwing: a missing binary is what the caller has to handle anyway, and a spec that wants the throw asserts on the code.