HP RPG/XL Programmer's Guide (30318-90001)

4-: 21
Figure 4-12. Updating the M-SOURCE Data Set Using a User Message Catalog File
and the Function Keys (Continued)
Comments
1 This line suppresses the display of DSPLY literals and causes
all terminal input to be entered on a separate line on the
screen.
2 This line enables function keys F2 (delete a record) and F8
(end).
3 This line turns F2 off. (You must specifically turn off
function keys.)
4 This line displays message 01:3 from the User Message Catalog
file (see line 9 in Figure 4-10).
5 This line ends the program when the user presses F8 .
6 This line displays message 03:3 from the User Message Catalog
file (see line 11 in Figure 4-10).
7 This line displays message 02:3 from the User Message Catalog
file (see line 10 in Figure 4-10).
8 This line compares SRCDSO (source description) to blanks when
F2 is not turned on.
Columns 9-11 contain NF2 to perform the compare when F2 is not
pressed. (SRCDSO is blank even when F2 is pressed.)
9 This line displays message 04:3 from the User Message Catalog
file when F2 is not pressed (see line 12 in Figure 4-10).
10 This line displays message 05:3 from the User Message Catalog