My completed ZFS pool replication script

zfs_replicate.v2.sh

#!/bin/sh
#
# zfs snapshot -r offsite2_fs1/boot-pool@migrate
# zfs snapshot -r offsite2_fs1/npool0@migrate
#

datasets=(`zfs list -r offsite2_fs1/boot-pool -o name -H`); 
existing_pool="offsite2_fs1"
new_pool="offsite2_fs1.tmp"
buffer=() # inbound scratch

for dataset in "${datasets[@]}"; do
  buffer+=("${dataset}@migrate\n")
  #echo "zfs send -R \"${dataset}@migrate\" >> "/tmp/zfs.list.2"
done

#echo -e "${buffer[*]}"

echo "existing: ${existing_pool}"
echo "new: ${new_pool}"

#sed -i "s/${existing_pool}/${new_pool}/" "/tmp/zfs.list.2"

for dataset in "${datasets[@]}"; do 
  buffer=("" "zfs send -Rpv ${dataset}@migrate")
  buffer+=("|" "zfs recv -dFu ${new_pool}/${dataset}")
  echo -e "${buffer[*]}"
  #echo "zfs send -R \"${dataset}@migrate\"
  #echo "zfs send -R \"${dataset}@migrate\" | zfs recv -F ${new_pool}/${dataset}"; 
done

#echo -e "${buffer[*]}"

#zfs list -H -r offsite2_fs1 -o name > /tmp/zfs.list
#sed -i 's/offsite2_fs1/offsite2_fs1.tmp/'