导读
关于 shell 中的单行注释和多行注释的问题,本文档介绍两种实用的方法。
1. 单行注释
众所周知 # , 比如想要注释 echo "Hello World"
[root@Jaking ~]# vim test.sh
# echo "Hello World"
2. 多行注释:
法一:
: << !
语句1
语句2
语句3
语句4
!
例如:
[root@Jaking ~]# bash test.sh
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
[root@Jaking ~]# cat test.sh
#!/bin/ksh
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
:<
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
!
法二:
: '
语句1
语句2
语句3
语句4
'
例如:
[root@Jaking ~]# bash test.sh
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
[root@Jaking ~]# cat test.sh
#!/bin/ksh
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
: '
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
echo "Hello World"
'
总结
以上就是关于 shell 注释的方法介绍,选择其中一种来用即可。