Bash script to control cursor position.(Ex.1)

test_bash_cursor_1.sh

#!/bin/bash

# 1. 指定文字数左へ移動後に echo
#    ( 最後の echo 以外は改行しない )
#
echo -n `date +"%Y-%m-%d %H:%M:%S"`
for i in {0..4};
do
  sleep 1
  tput cub 19
  echo -n `date +"%Y-%m-%d %H:%M:%S"`
done;
tput cub 19
echo `date +"%Y-%m-%d %H:%M:%S"`
echo "-------------------"

# 2. 指定行数上へ移動後に echo
#    ( 毎回改行 )
#
echo `date +"%Y-%m-%d %H:%M:%S"`
for i in {0..4};
do
  sleep 1
  tput cuu 1
  echo `date +"%Y-%m-%d %H:%M:%S"`
done;
tput cuu 1
echo `date +"%Y-%m-%d %H:%M:%S"`
echo "-------------------"

# 3. 行の先頭へ復帰(CR(\r))後 printf
#    ( 最後の echo 以外は改行しない )
#
printf "%10s %8s" `date +"%Y-%m-%d %H:%M:%S"`
for i in {0..4};
do
  sleep 1
  printf "\r%10s %8s" `date +"%Y-%m-%d %H:%M:%S"`
done;
printf "\n"