bash 字符串分割

How to a by string in Bash? For example,

如何在Bash中按字符串 ？ 例如，

"a string   separated by" =>["a", "string", "separated", "by", "space"]

and

和

"a,string,separated,by,comma" =>["a", "string", "separated", "by", "comma"]

You can convert a string to an array using the grammar like

您可以使用如下语法将字符串转换为数组

inarr=(${a})

If the delimiter is not space and delimiter is a single character or a string consisting of 1 or more of the characters, set the IFS like

如果定界符不是空格，并且定界符是单个字符或由1个或多个字符组成的字符串 ，则将IFS设置为

IFS=',' inarr=(${a})

For the examples in the question:

对于问题中的示例：

For the space separated string:

对于以空格分隔的字符串：

$ a="a string   separated by space"$ inarr=(${a})

Check the result:

检查结果：

$ echo ${inarr[@]}a string separated by space

For the ‘,’ separated string, set the IFS:

对于以'，'分隔的字符串，设置IFS ：

$ a="a,string,separated,by,comma";$ IFS=',' inarr=(${a});

Check the result:

检查结果：

$ echo ${inarr[@]}a string separated by comma

翻译自:

bash 字符串分割