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AI-generatedfatal error: cannot open file – does awk flush output when interrupted by SIGINT?
Goal Investigate whether GNU Awk flushes partially written data to stdout or output files when it receives a cancellation signal such as SIGINT . The documented error string "fatal error: cannot open file" is used as a reliable anchor for parsing error logs, but it does not describe signal handling behavior. Constraints and Uncertainty Awk has no built‑in ti