Replace "exec rm" with remove_file and "exec touch" with "write_file"

create table bug15205 (val int(11) default null) engine=csv;

create table bug15205_2 (val int(11) default null) engine=csv;

--exec rm $MYSQLTEST_VARDIR/master-data/test/bug15205.CSV

--remove_file $MYSQLTEST_VARDIR/master-data/test/bug15205.CSV

# system error (can't open the datafile)

--error ER_GET_ERRNO

select * from bug15205;

select * from bug15205_2;

--exec touch $MYSQLTEST_VARDIR/master-data/test/bug15205.CSV

# Create empty file

--write_file $MYSQLTEST_VARDIR/master-data/test/bug15205.CSV

EOF

select * from bug15205;

drop table bug15205;

drop table bug15205_2;