编辑器与ShellCLI Manual
$export
Set and export environment variables to child shell processes.
命令语法POSIX Standard
export [NAME[=VALUE]...]在交互式终端沙盒中实时运行
无需安装的客户端实时仿真环境。
bash — terminal
AST Sandbox (Free)
概述与工作原理
`export` marks shell variables to be exported to the environment of subsequently executed child commands and subshells.
常用参数与选项说明
| Flag / Option | Description |
|---|---|
| -p | Display a list of all exported variables in the current shell. |
实际生产案例与代码范例
#1Export an environment variable
export NODE_ENV=production && echo $NODE_ENVSets NODE_ENV to production and verifies with echo.
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