gra_status

Format:

gra_status(void)

Result:

1 or 0

Description:

Returns the completion status of the previous command. the value is 1, if the command was successful.

e.g.:

read from a file using gra_status() to detect EOF
loop:
inquire/unit s1
if !gra_status() then goto finish
...
goto loop
finish:
end