Add try/catch block (cherry-picking failures).

Close and delete generated file if cherry picking fails for any reason.

matlab/cherrypick.m

@@ -73,6 +73,7 @@ plist = {};
 elist = {};
 xlist = {};
 
+try
     for i=1:length(eqtags)
         rhs = [];
         lhs = [];
@@ -201,6 +202,14 @@ for i=1:length(eqtags)
         elist = union(elist, enames);
         xlist = union(xlist, xnames);
     end
+catch e
+    fclose(fid);
+    fprintf(2, '%s\n', e.message)
+    fprintf(2, 'Delete ''%s'' file.\n', sprintf('%s/model.inc', outfold))
+    delete(sprintf('%s/model.inc', outfold))
+    return
+end
+
 fclose(fid);
 
 % Export parameters