There was an invariant in doFileByLines: 	prepared == 0 <==> hdl == NULL 	prepared == 1 <==> hdl != NULL Make this explicit by removing the variable prepared.
There was an invariant in doFileByLines:
	prepared == 0 <==> hdl == NULL
	prepared == 1 <==> hdl != NULL
Make this explicit by removing the variable prepared.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb