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#! /usr/bin/env python3
import sys
import sqlite3
found=False
with sqlite3.connect(sys.argv[1]) as conn:
c = conn.cursor()
c.execute('''SELECT COUNT(*) FROM LUT WHERE k = ?;''', (sys.argv[2],))
if c.fetchone()[0] > 0:
found=True
if not found:
sys.exit(1)
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