; -----------------------
; numbers.bat
; a spider batch file to change 
; whole series extensions
; MUST CHANGE EXTENSION NAMES YOURSELF
; does not follow "good programming"
; --------------------------

x21 = 1		;start series number
x22 = 80 	;stop series number

FR G
<from>sma	;series prefix orignally

FR G
<to>sma		;series prefix afterwards

DO LB1 x30=x21,x22	;start loop

VM 	;CHANGE EXTENSIONS BELOW
mv <from>{***x30}.dat <to>{***x30}.DAT

LB1			;end loop
end