_____________________________________________________________________


			       DEF
			      DEFBOX
	Write a string of options - including do loops.
	Give the file with the command string any name eg. FIT.
	Then to run the string type #STRING_NAME. eg. #FIT.

______________________________________________________________________

	EXAMPLE:	___	A file FIT is created.
 TYPE OPTIE                              17-OCT-1981 10:11:18.52
 >>>def                                                                             
 OPTION def
  DEFBOX, VERSION 1
 TYPE BOX NAME
 NAME=fit
 TYPE COMMAND LINE (C/R to end)
 COMMAND=.R9
 TYPE COMMAND LINE (C/R to end)
 COMMAND=DO($=1.6).SH
 TYPE COMMAND LINE (C/R to end)
 COMMAND=DO($=4:6,&=1:3).DI
 TYPE COMMAND LINE (C/R to end)
 COMMAND=DO($=4:6,&=1:3).RS
 TYPE COMMAND LINE (C/R to end)
 COMMAND=.R9
 TYPE COMMAND LINE (C/R to end)
 COMMAND=.FL
 TYPE COMMAND LINE (C/R to end)
 COMMAND=
 NIL                                                                             
___________________________________________________________________

	The created file looks like:	- FIT.BOX
 .R9
 DO($=1.6).SH                                                                    
 DO($=4:6,&=1:3).DI                                                              
 DO($=4:6,&=1:3).RS                                                              
 .R9                                                                             
 .FL                                                                             
_____________________________________________________________________

	And is run thus:


 TYPE OPTIE                              17-OCT-1981 11:33:47.53
 >>>#FIT                                                                            
 >>> .R9                                                                            
 OPTION .R9
  ROTAT90, VERSION 1
 OPEN INPUT FILE - To be rotated
 FILI=R92ADD
 There are   6 maps in the file       
 Reading from the file
 2040 rows of   69 pixels in R4 format
 OPEN NEW FILE FOR ROTATED MAPS
 NMAPS=    1 NPLNS=    1 NROWS=    69 NELS=  2040
 FILO=ADD2
 Writing to an existing file
   69 rows of 2040 pixels in R4 format
 MAPI=4:6
 MAPO=4:6
 SAME=N
 >>> DO($=1:6).SH                                                                   
 OPTION DO
 $=1:6
 &=
 DO LOOP: $=  1:60       &=  1:60    
 OPTION .SH
  SHUFFLE, VERSION 1
 OPEN FILE TO BE SHUFFLED
 FILI=ADD2
 There are   7 maps in the file       
 Reading from the file
   69 rows of 2040 pixels in R4 format
 OPEN OUTPUT FILE (can be same as FILI)
 FILO=FLATOUT
 Writing to an existing file
    1 rows of 2040 pixels in R4 format
 HEAD=N
 MAPI=$
 FACM=1.
 MAPO=$
 ROWI=23:25 33:35 43:45
 AND THEIR (+ve or -ve) SCALING FACTORS (def = +1.0)

	etc etc
______________________________________________________________________