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perf: Loop over the bash variable directly instead of starting subprocesses.

perf: Loop over the bash variable directly instead of starting subprocesses.: a task in repo2rlenv-pr-diff (Harbor dataset). Title: perf: Loop over the bash variable directly instead of starting subprocesses.

The task

**Title:** perf: Loop over the bash variable directly instead of starting subprocesses.

Part of FineEnvs/repo2rlenv-pr-diff.