RxUtilEx - Sys2Read

Read bytes from a previously-opened stream (wrapper to DosRead).

Arguments
REXX ARGUMENTS: 1. File handle (as returned by Sys2Open or Sys2CreateNamedPipe). (REQUIRED) 2. Number of bytes to read. (REQUIRED)

Return Value
REXX RETURN VALUE: String containing the bytes read, or "" in case of error.