测试脚本：
#!/bin/usr/env bash
echo $*
echo $@
echo "for loop of \"\$*\""
for var in "$*"
do
echo $var
done
echo "for loop of \"\$@\""
for var in "$@"
do
echo $var
done
运行：bash test.sh 1 2 3 4
运行结果：
1 2 3 4
1 2 3 4
for loop of "$*"
1 2 3 4
for loop of "$@"
1
2
3
4
原文：https://www.cnblogs.com/bright2029/p/11570831.html