To launch a process and write data to its standard input, the filename must consist of the > sign followed by the name of the command. The file should be opened for output.
For example:
select output-file
assign to ">cmd /c sort"
organization is line sequential.
fd output-file.
01 output-file-record pic x(10).
procedure division.
open output output-file
write output-file-record from "Charles"
write output-file-record from "Bill"
write output-file-record from "Alan"
close output-file.