Moving Users on MySQL

Copying users from a database on host1 to a database on host2 under MySQL:
echo "select concat(\"show grants for '\", user,\"'@'\", host, \"';\") from user where host='localhost' or host = '127.0.0.1';" | mysql -u root -p --skip-column-names -h host1 mysql | mysql -u root -p --skip-column-names -h host1 mysql | sed 's/$/;/' | mysql -u root -p -h host2

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