shell脚本其实也可以很简单
unfs@afs-3:~$ set -o xtrace
unfs@afs-3:~$ sgn='Hello, world'
+ sgn='Hello, world'
unfs@afs-3:~$ echo $sgn
+ echo Hello, world
Hello, world
(更多)
shell脚本其实也可以很简单
unfs@afs-3:~$ set -o xtrace
unfs@afs-3:~$ sgn='Hello, world'
+ sgn='Hello, world'
unfs@afs-3:~$ echo $sgn
+ echo Hello, world
Hello, world
(收起)