Creates the temporary definition of a procedure. Format DECLARE PROCEDURE procedure-name . . . END_PROCEDURE
1 – Arguments
procedure-name Is the name of the procedure you want to declare. It must be a simple name. END_PROCEDURE Ends the procedure definition.
2 – Examples
DTR> DECLARE PROCEDURE GRZ1 DFN> PRINT "I am Alessandra's mother" ; DFN> :ALE1 ; DFN> END_PROCEDURE ; DTR> DTR> DECLARE PROCEDURE ALE1 DFN> PRINT "I am Grazia's daughter" ; DFN> END_PROCEDURE ; DTR> DTR> :GRZ1 I am Alessandra's mother I am Grazia's daughter The following example shows how to declare a procedure that displays a group of boats with a price less than a figure you supply when the procedure runs: DTR> DECLARE PROCEDURE PRICE_LIST DFN> READY CDD$TOP.DTR$LIB.DEMO.YACHTS DFN> PRINT SKIP, COL 20, DFN> '*** Price List of YACHTS ***', SKIP ; DFN> FOR FIRST 5 YACHTS WITH PRICE NE 0 AND DFN> PRICE LE *.'the ceiling price' DFN> PRINT BOAT DFN> PRINT SKIP, COL 10, 'See anything interesting?' DFN> END_PROCEDURE ; DTR> DTR> :PRICE_LIST ; *** Price List of YACHTS *** Enter the ceiling price: 4500 LENGTH OVER MANUFACTURER MODEL RIG ALL WEIGHT BEAM PRICE CAPE DORY TYPHOON SLOOP 19 1,900 06 $4,295 VENTURE 21 SLOOP 21 1,500 07 $2,823 VENTURE 222 SLOOP 22 2,000 07 $3,564 WINDPOWER IMPULSE SLOOP 16 650 07 $3,500 See anything interesting? DTR>