Bash脚本，让用户从列表中选择或输入自己的 [英] Bash Script to let user choose from a list or enter their own

问题描述

我有一个简单的脚本，我想列出一些预先填写的选项，或者让用户输入一个与构建相关的数字

I have a simple script which i want to list some pre-filled choices or for the user to enter a number to correlate with a build

这是我目前所拥有的.

read -p "Please select from the list below or enter the build number you would like to download " build
    case {build} in
        Latest)
            build=lastSuccessful
            break;;
        *)
            break;;
    esac

问题是没有提供供用户选择的列表.

The problem is that is doesn't provide a list for the user to choose.

理想情况下看起来像这样

Ideally it would look something like this

构建选择1)最新3)成功5)选择内部版本号(1-10000)2)稳定4)等请从上面的列表中选择或输入您要下载的内部版本号:_

Build Choices 1) Latest 3) Successful 5) pick a build number (1-10000) 2) Stable 4) etc. Please select from the list above or enter the build number you would like to download: _

还是最好在2个case语句中执行此操作?询问他们是否要选择特定的版本或输入自己的版本.

Or would it be better to do this in 2 case statements? Asking if they want to choose a particular build or enter their own.

更新:经过一番思考，我最终将其简化为是"或否"声明

UPDATE: After some thinking I ended up simplifying it to a yes no statement

while true;do
    read -p "Would you like to download the latest successful build? (yes/no) " yn
    case $yn in
        [Yy]*)
            echo
            build=lastSuccessfulBuild
            break;;
        [Nn]*)
            echo
            read -p "Enter the build number to download: " build
            break;;
        *) echo 'I am not going to tell you again';;
        [Qq]*) exit 0;;
    esac
done

推荐答案

select 语句可能就是您想要的:

A select statement might be what you want:

select name in Latest Successful  Stable "Pick a Build Number" ;
do
  case "$name" in
        Latest)
            build=lastSuccessful
            break
          ;;
        Successful)
            build=lastSuccessful
            break
          ;;
        Stable)
            build=lastSuccessful
            break
            ;;
        Pick*)
            read -p "Enter a number from 1 to 10000: " number
            break
            ;;
  esac
done

这将生成菜单:

1) Latest
2) Successful
3) Stable
4) Pick a Build Number
#?

用户可以输入1、2或3，并将变量 name 设置为相应的字符串.

The user can enter 1, 2, or 3 and the variable name is set to the corresponding string.

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