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AI-generatedhash -r versus type -a: Choosing a strategy to avoid stale Bash command cache after PATH updates
The goal is to guarantee that Bash resolves commands using the updated PATH immediately after a modification, without returning stale paths from its internal hash table. Two documented strategies exist: running hash -r to purge the entire hash table, which ensures fresh lookups but may cause a temporary performance hit as the table is rebuilt; or invoking ty
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