02 变量字符串
1 | [root@localhost ~]$ 2name="shen chao" |
1 | [root@localhost ~]$ name="shen chao" |
1 | [root@localhost ~]$ set [选项] |
1 | [root@localhost ~]$ unset 变量名 |
1 | [root@localhost ~]$ export age="18" |
1 | env |
1 | [root@localhost ~]$ unset gender #删除环境变量gender |
1 | [root@localhost ~]$ env |
1 | [root@localhost sh]$ vim test.sh |
1 | [root@localhost sh]$ ls |
1 | [root@localhost sh]$ vi readonly.sh |
1 | [root@localhost ~]$ read [选项][变量名] |
1 | [root@localhost sh]$ vi read.sh |
1 | 数组名=(值1 值2 ... 值n) |
1 | array_name=(value0 value1 value2 value3) |
1 | ${array_name[index]} |
1 | #!/bin/bash |
1 | #!/bin/bash |
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