append variables

Any variable or number of variables can be saved to a file at any time. Vector elements referenced by an explicit index are considered as variables. String variables and constants are recognized as well.

append variables variable-list filename
save variables variable-list filename

     append variables x Y[3] a VECTOR[78] datafile1
     save variables t PARAM[2] DPARAM[2] datafile2

load, cmode, let, C, show, auto