linux - Shell命令将逗号分隔的字符串转换为双引号逗号分隔的字符串

Question

我有一个逗号分隔的值，例如：

package1,package2

我想要一个shell命令将其转换为：

"package1","package2"

Answer 1

怎么样

$ line='package1,package2'
$ printf '"%s"\n' "${line//,/\",\"}"
"package1","package2"

要么

$ IFS=, read -ra fields <<<"$line"
$ printf '"%s"\n' "${fields[@]}" | paste -sd,
"package1","package2"