macro ChangeCase column.1-column.m; ToLower. #This macro converts the entries in text columns to upper case. #The upper command does this but only on one column at a time. #The ToLower subcommand changes the text to lower case. #Mathews Malnar and Bailey, Inc. #www.mmbstatistical.com #20150915, PGM: For MINITAB V15 #20160119, PGM: Validated for MINITAB V17 #Example calling statement: # mtb> %ChangeCase c1-c5 mcolumn column.1-column.m mconstant m i do i = 1:m if ToLower let column.i = lower(column.i) else let column.i = upper(column.i) endif enddo endmacro