https://communities.sas.com/t5/SAS-Procedures/proc-datasets-modify-after-copy/m-p/457988#M70160 <P>If you copy a data set to a different library then use the modify statement, does it modify the data set in the original library or in the library you copied to?</P> <P>&nbsp;</P> <P>Also, can you use drop and keep statements or data set options in proc datasets?&nbsp; Thank you.&nbsp;&nbsp;</P> Thu, 26 Apr 2018 23:38:03 GMT proctice 2018-04-26T23:38:03Z https://communities.sas.com/t5/SAS-Procedures/proc-datasets-modify-after-copy/m-p/457988#M70160 <P>If you copy a data set to a different library then use the modify statement, does it modify the data set in the original library or in the library you copied to?</P> <P>&nbsp;</P> <P>Also, can you use drop and keep statements or data set options in proc datasets?&nbsp; Thank you.&nbsp;&nbsp;</P> Thu, 26 Apr 2018 23:38:03 GMT https://communities.sas.com/t5/SAS-Procedures/proc-datasets-modify-after-copy/m-p/457988#M70160 proctice 2018-04-26T23:38:03Z https://communities.sas.com/t5/SAS-Procedures/proc-datasets-modify-after-copy/m-p/457994#M70161 <P>The lib option in the PROC DATASETS statement are the ones that is modified. If you don’t specify one, I think it’s the work library.&nbsp;</P> <P>&nbsp;</P> <P>Not sure about data set option but I suspect not.&nbsp;</P> Fri, 27 Apr 2018 00:06:07 GMT https://communities.sas.com/t5/SAS-Procedures/proc-datasets-modify-after-copy/m-p/457994#M70161 Reeza 2018-04-27T00:06:07Z