Many Thanks Paige and Erik. Sorry if my description was not so clear ! Thanks to yours answers I get the attended result. as you can see in the new inserted code, I use this : PROC PRINTTO LOG="main.log" ; RUN; (without "NEW") to write again in the main.log file   The main log contains this text below as I wanted (I added a third included program) prog include is lauched prog include is complete prog include2 is lauched prog include2 is complete prog include3 is lauched prog include3 is complete PROC PRINTTO LOG="main.log" NEW; RUN; %put this is the begin of the main prog ; %put prog include is lauched ; %include "$GRPSBSAS/RQTCP_EI/DEV/include.sas" ; PROC PRINTTO LOG="main.log" ; RUN; %put prog include is completed ; %put prog include2 is lauched ; %include "$GRPSBSAS/RQTCP_EI/DEV/include2.sas" ; PROC PRINTTO LOG="main.log" ; RUN; %put prog include2 is completed ; %put prog include3 is lauched ; %include "$GRPSBSAS/RQTCP_EI/DEV/include3.sas" ; PROC PRINTTO LOG="main.log" ; RUN; %put prog include3 is completed ; %put this is the end of the main prog ; PROC PRINTTO; RUN; Then include.log (or 2 or 3) file contains "this is the begin of the include prog (or 2 or 3) this is the end of the include prog(or 2 or 3)     ... View more