https://communities.sas.com/t5/ODS-and-Base-Reporting/Confusing-Lack-of-an-Error/m-p/1768#M788 I'm a slightly confused beg/int SAS programmer: I ran the code below--as you can see, it's missing a semicolon after the 'do'. However, I got no error message in my log, the code ran perfectly, and the output is exactly the same as when I ran the program with the semicolon interted. Can anyone enlighten me as to why my mistake didn't hose everything up?<BR /> <BR /> ...<BR /> else if first_sell &lt; first_buy then do<BR /> type = 'seller';<BR /> first_date = first_sell_date;<BR /> first_class = trim(left(year(first_sell_date)))||'/'||trim(left(month(first_sell_date)));<BR /> end;<BR /> ... Thu, 16 Nov 2006 21:03:33 GMT deleted_user 2006-11-16T21:03:33Z https://communities.sas.com/t5/ODS-and-Base-Reporting/Confusing-Lack-of-an-Error/m-p/1768#M788 I'm a slightly confused beg/int SAS programmer: I ran the code below--as you can see, it's missing a semicolon after the 'do'. However, I got no error message in my log, the code ran perfectly, and the output is exactly the same as when I ran the program with the semicolon interted. Can anyone enlighten me as to why my mistake didn't hose everything up?<BR /> <BR /> ...<BR /> else if first_sell &lt; first_buy then do<BR /> type = 'seller';<BR /> first_date = first_sell_date;<BR /> first_class = trim(left(year(first_sell_date)))||'/'||trim(left(month(first_sell_date)));<BR /> end;<BR /> ... Thu, 16 Nov 2006 21:03:33 GMT https://communities.sas.com/t5/ODS-and-Base-Reporting/Confusing-Lack-of-an-Error/m-p/1768#M788 deleted_user 2006-11-16T21:03:33Z https://communities.sas.com/t5/ODS-and-Base-Reporting/Confusing-Lack-of-an-Error/m-p/1769#M789 This question is perhaps best answered by Technical Support. You can submit it online at <A href="http://support.sas.com/ctx/supportform/index.jsp" target="_blank">http://support.sas.com/ctx/supportform/index.jsp</A> .<BR /> <BR /> -- David Kelley, SAS Tue, 21 Nov 2006 14:35:50 GMT https://communities.sas.com/t5/ODS-and-Base-Reporting/Confusing-Lack-of-an-Error/m-p/1769#M789 David_SAS 2006-11-21T14:35:50Z