Yes, I have CREATED SAS Xport transport files using Proc Copy and data step for the FDA submissions. These are version 5 files. we use the libname engine and the Proc Copy procedure, One dataset in each xport transport format file. For version 5: labels no longer than 40 bytes, variable names 8 bytes, character VARIABLES width to 200 bytes. If we violate these constraints your copy procedure MAY terminate with constraints, because SAS xport format is in compliance with SAS 5 datasets.

Libname sdtm “c:sdtm_data”;Libname dm xport “c:dm.xpt”; Proc copy; In = sdtm; Out = dm; Select dm; Run;

Yes, I have created SAS Xport transport files using Proc Copy and data step for the FDA submissions. These are version 5 files. we use the libname engine and the Proc Copy procedure, One dataset in each xport transport format file. For version 5: labels no longer than 40 bytes, variable names 8 bytes, character variables width to 200 bytes. If we violate these constraints your copy procedure may terminate with constraints, because SAS xport format is in compliance with SAS 5 datasets.

Libname sdtm “c:sdtm_data”;Libname dm xport “c:dm.xpt”; Proc copy; In = sdtm; Out = dm; Select dm; Run;