etcd v3 dump restore keys

gistfile1.txt

#!/bin/bash
# Script to restore keys to etcd
#
# To dump keys use:
#     etcdctl get "" --prefix=true > kv
etcdctl="ETCDCTL_API=3 etcdctl --endpoints=http://127.0.0.1:2379"

# Input filename
F=${1:-'kv'}

LINESNUM=$(cat $F | wc -l)
for k in $(seq 1 2 $LINESNUM); do
    # Get key
    KEY=$(sed -n "${k}p" $F)

    # Get value
    v=$((k + 1))
    VALUE=$(sed -n "${v}p" $F)

    # put key to etcd
    eval $etcdctl put \'$KEY\' \'$VALUE\'
done