#!/usr/bin/env bash

################### for 语句 ###################
echo "print 0 to 9"
for (( j = 0; j < 10; j ++ )); do
  echo ${j}
done
#  Output:
#  print 0 to 9
#  0
#  1
#  2
#  3
#  4
#  5
#  6
#  7
#  8
#  9

################### for in 语句 ###################
echo "print 1 to 5"
for i in {1..5}; do echo ${i}; done
#  Output:
#  print 1 to 5
#  1
#  2
#  3
#  4
#  5

################### for in 语句遍历文件 ###################
DIR=/home/zp
for FILE in ${DIR}/*.sh; do
  mv "$FILE" "${DIR}/scripts"
done
# 将 /home/zp 目录下所有 sh 文件拷贝到 /home/zp/scripts