I am using the following code s_last=catt(substr(s_last,1,length(s_last)-ns),pxs[locx]); to add some character string to the original one. This working in cycle and when the size of string reaches 255 process stops, saying the IML procedure can't allocate buffer longer than 256. At the same time, when I use the sample code  test=rowcat(T(p7s)); show test;  I can see test 1 row 1 col (character, size 35280) So, My question is, how to make use of  long  character variable, allowing for action like string_base=catt (string_base, string_add);      ... View more

I am using proc gbarline  within IML. the following example code  produces the graph proc gbarline data=dsin; format date1; symbol1 c=red value=dot; axis1 label=("New Cases"); axis2 label=("Total Count"); axis3 value=(a=-45); bar date1 / discrete sumvar=newca raxis=axis1 maxis=axis3 levels=all; plot / sumvar=totca axis=axis2; run; The graph looks like  The horizontal axe labels are too overlapped.  My idea is to label only some tickmarks, one way is to use SAS generated format, ususally I was using this approach in SAS graph procedures.. However in this case when I use the code  proc gbarline data=dsin; format date1 date_fmt.; symbol1 c=red value=dot; axis1 label=("New Cases"); axis2 label=("Total Count"); axis3 value=(a=-45); bar date1 / discrete sumvar=newca raxis=axis1 maxis=axis3 levels=all; plot / sumvar=totca axis=axis2; run; quit;  The result is not what I would expect:  I would appreciate any hints or statement, that this is not possible.               ... View more