Actually I am supposed to find something like this :    Filename Fichier "/folders/myshortcuts/desktop/donnes-brutes.txt"; Data _null_ ; set MAK; Infile Fichier Firstobs = 2; Input @@x1 @@x2; If type= "NUM" then input @@x1; else input @@x2; run; %include Fichier; filename Fichier;   But that's not right..  ... View more

Yes it seems I have to use something called %INPUT,  which will read my data for a second time, but I do not understand how it works.  ... View more

Yes these are the variables, and i must find a general solution, regardless of the number of variables.   Do you have any tricks?  ... View more

Here is my program :    Filename Fichier "/folders/myshortcuts/desktop/donnees-brutes.txt"; Data don;  Infile Fichier Firstobs = 2;  Input 1 x1 2 x2; run;   But it tells me that there is a problem with my syntax because indeed the variables are messed up... Do you have a solution so I can tell SAS to drop the "1" and "2"?  ... View more