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grep -c returns empty on no match, causing arithmetic to break
across lines. Use ${var:-0} fallback pattern.
Co-Authored-By: Claude Opus 4.6 <[email protected]>
grep -c returns empty on no match, causing arithmetic to break
across lines. Use ${var:-0} fallback pattern.
Co-Authored-By: Claude Opus 4.6 <[email protected]>