!echo spong > 1
!ls -l > 2
!echo wibble > 3
!printf nofinalnewline >> 3
!if type > /dev/null seq 2>/dev/null; then seq 999; else jot 999; fi > 4
text
get 1 1dl
!diff 1 1dl
get 2 2dl
!diff 2 2dl
get 3 3dl
!diff 3 3dl
get 4 4dl
!diff 4 4dl
put 1 1ul
!diff 1 1ul
put 2 2ul
!diff 2 2ul
put 3 3ul
!diff 3 3ul
put 4 4ul
!diff 4 4ul
