[Description] The root directory where checksums should be written. [Required] No. If not specified, checksum files will be written to the same directory as the files themselves. since Ant 1.6 [Attribute] 
todir
f i l e
t o d i r
a l g o r i t h m
p r o v i d e r
f i l e e x t
p r o p e r t y
t o t a l p r o p e r t y
f o r c e o v e r w r i t e
v e r i f y p r o p e r t y
r e a d b u f f e r s i z e