将命令的输出分配给变量

问题描述：

我必须在空格后剪切字符串，并将值存储在空格前.我的示例脚本如下所示

I have to cut the string after the white-space and store the value before white-space. My example script is show below

tString="This is my name"
echo $tString | cut -d' ' -f1

输出:

此

现在，我想将此输出值分配给变量.我的脚本是

Now I want to assign this output value to the variable. My script is

tString="This is my name"
var=$($tString | cut -d' ' -f1)

它显示错误.错误消息是

It shows error.Error message is

此:找不到命令

我是bash shell脚本的新手.任何人都知道该怎么做.

Iam new to bash shell script. Anyone Knows how to do this.

答

添加 echo :

tString="This is my name"
var=$(echo $tString | cut -d' ' -f1)

(也提到了此处我发帖前2秒我的答案)

(Also mentioned here 2 seconds before I posted my answer)