nudgeZ for Minecraft 1.9

summon Item ~ ~10 ~ {Item:{id:dirt,Damage:0,Count:1},Age:5999,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,Time:1,TileEntityData:{Command:"give @p minecraft:spawn_egg 1 0 {EntityTag:{id:Bat,NoAI:1,Silent:1,Tags:[\"nudgeZ\"]},display:{Name:\"nudgeZ\"}}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tellraw @a {\"text\":\"'nudgeZ' by Dr. Brian Lorgon111\",\"color\":\"yellow\"}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tellraw @a [\"type '\",{\"text\":\"/gamerule help-nudgeZ 111\",\"color\":\"green\"},\"' to get help\"]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"gamerule help-nudgeZ 999"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"scoreboard objectives add nudgeZ dummy"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"scoreboard players set nudgeZ nudgeZ 999"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"stats block ~ ~-2 ~ set QueryResult nudgeZ nudgeZ"},Riding:{id:FallingSand,Block:repeating_command_block,Time:1,TileEntityData:{auto:1b},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"gamerule help-nudgeZ"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"scoreboard players test nudgeZ nudgeZ 111 111"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"gamerule help-nudgeZ 999"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"give @p minecraft:spawn_egg 1 0 {EntityTag:{id:Bat,NoAI:1,Silent:1,Tags:[\"nudgeZ\"]},display:{Name:\"nudgeZ\"}}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say You've been given a useful spawn egg!"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say Use the egg on top of most any block ('nudge') to nudge that block and its followers +1 in the Z direction."},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say Use the egg on top of a REDSTONE block to delete the redstone block and nudge the following blocks -1 in the Z direction."},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say Useful for inserting an air space into the middle of a +Z-pointing command-chain (nudge the block you want to insert before), or for deleting a block from that chain (destroy block, place redstone in its place, and nudge the redstone)."},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=nudgeZ] ~ ~ ~ detect ~ ~-1 ~ redstone_block 0 summon ArmorStand ~ ~-1 ~ {NoGravity:1,Tags:[\"end-Z\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=nudgeZ] ~ ~ ~ detect ~ ~-1 ~ redstone_block 0 summon ArmorStand ~ ~-1 ~ {NoGravity:1,Tags:[\"findstart-Z\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=end-Z] ~ ~ ~ kill @e[tag=nudgeZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=findstart-Z] ~ ~ ~ detect ~ ~ ~ air 0 entitydata @e[c=1] {Tags:[\"foundstart-Z\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tp @e[tag=findstart-Z] ~ ~ ~1"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=end-Z] ~ ~ ~ execute @e[r=0,tag=foundstart-Z] ~ ~ ~ setblock ~ ~ ~ air"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=end-Z] ~ ~ ~ execute @e[r=0,tag=foundstart-Z] ~ ~ ~ kill @e[tag=doZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=foundstart-Z] ~ ~ ~ execute @e[tag=end-Z] ~ ~ ~ clone ~ ~ ~1 ~ ~ ~1 ~ ~ ~"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=foundstart-Z] ~ ~ ~ tp @e[tag=end-Z] ~ ~ ~1"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=findstart-Z] ~ ~ ~ testfor @e[tag=end-Z,r=50]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"testforblock ~ ~1 ~ chain_command_block -1 {SuccessCount:0}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"execute @e[tag=findstart-Z] ~ ~ ~ kill @e[tag=doZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say failed to nudge (more than 50 blocks before air)"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=nudgeZ] ~ ~ ~ summon ArmorStand ~ ~-1 ~ {NoGravity:1,Tags:[\"startZ\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=nudgeZ] ~ ~ ~ summon ArmorStand ~ ~-1 ~ {NoGravity:1,Tags:[\"findendZ\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"kill @e[tag=nudgeZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=findendZ] ~ ~ ~ detect ~ ~ ~ air 0 entitydata @e[c=1] {Tags:[\"foundendZ\",\"doZ\"]}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tp @e[tag=findendZ] ~ ~ ~1"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=foundendZ] ~ ~ ~ execute @e[r=0,tag=startZ] ~ ~ ~ setblock ~ ~ ~ air"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=foundendZ] ~ ~ ~ execute @e[r=0,tag=startZ] ~ ~ ~ kill @e[tag=doZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=foundendZ] ~ ~ ~ clone ~ ~ ~-1 ~ ~ ~-1 ~ ~ ~"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tp @e[tag=foundendZ] ~ ~ ~-1"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"execute @e[tag=findendZ] ~ ~ ~ testfor @e[tag=startZ,r=50]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"testforblock ~ ~1 ~ chain_command_block -1 {SuccessCount:0}"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"execute @e[tag=findendZ] ~ ~ ~ kill @e[tag=doZ]"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,Data:8,TileEntityData:{Command:"say failed to nudge (more than 50 blocks before air)"},Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,Time:1,TileEntityData:{Command:"gamerule commandBlockOutput false"},Riding:{id:FallingSand,Block:chain_command_block,Time:1,TileEntityData:{Command:"tellraw @a {\"text\":\"Initializing, wait one moment...\",\"color\":\"red\"}"}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}