{
{   The purpose of this request is to read the next "physical" line  from  the
{ current command file.  Line continuation is not processed by this request.
{
{       CLP$GET_LINE_FROM_COMMAND_FILE (PROMPT_STRING, LINE, STATUS)
{
{ PROMPT_STRING: (input) This parameter specifies the string to be issued as a
{       prompt for the line if the current command file is associated with  an
{       interactive terminal.
{
{ LINE:  (output)  This  parameter  specifies  the  line.  If a NIL pointer is
{       returned,  end-of-information  or  end-of-partition  on  the   current
{       command file was encounterred.  If the current source of command input
{       resulted from an include_line command or request,  a  NIL  pointer  is
{       returned.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS:
{
