select i-o-file assign to "| cmd /c sort" organization is line sequential. fd i-o-file. 01 i-o-file-record pic x(20). procedure division. open i-o i-o-file write i-o-file-record from "Hello world" write i-o-file-record from all "A" write i-o-file-record from all "Z" write i-o-file-record from x"1a" perform until exit read i-o-file at end exit perform end-read display i-o-file-record end-perform close i-o-file
In this example, the program launches the sort process and passes it three lines of text, followed by an end-of-file marker. It then reads all three lines back from the standard output of the sort process.