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system("$oracle_home/bin/sqlldr $user_id/$user_pwd@$sid control=$oracle_base/scripts/sqlldr/$ctlfile errors=$errors log=$oracle_base/scripts/sqlldr/$logfile >/dev/null 2>&1");
system("$oracle_home/bin/sqlldr $user_id/$user_pwd\@$sid control=$oracle_base/scripts/sqlldr/$ctlfile errors=$errors log=$oracle_base/scripts/sqlldr/$logfile >/dev/null 2>&1");