Use a temporary file to pass UTF8 chars to "mysql" in a portable

way

mysql-test/t/mysqlbinlog.test

@@ -126,7 +126,15 @@ select HEX(f) from t4;
 #BUG#14157: utf8 encoding in binlog without set character_set_client
 #
 flush logs;
---exec $MYSQL test -e 'create table if not exists t5 (a int); set names latin1; create temporary table `` (a int); insert into `` values (1); insert into t5 select * from ``'
+--write_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
+create table if not exists t5 (a int);
+set names latin1;
+create temporary table `` (a int);
+insert into `` values (1);
+insert into t5 select * from ``
+EOF
+--exec $MYSQL test < $MYSQLTEST_VARDIR/tmp/bug14157.sql
+--remove_file $MYSQLTEST_VARDIR/tmp/bug14157.sql
 
 # resulted binlog, parly consisting of multi-byte utf8 chars, 
 # must be digestable for both client and server. In 4.1 the client