export 前缀
\export prefixes
变量声明前可以选择添加 export 关键字,该文件上执行的所有处理都将完全忽略该关键字。
\The export keyword can optionally be added in front of variable declarations, such keyword will be completely ignored
by all processing done on the file.
这很有用,因为可以在 shell 终端中获取文件而无需修改。
\This is useful so that the file can be sourced, without modifications, in shell terminals.
示例:
\Example:
export MY_VAR = my variable