Typically, a regular shell does not offer such abstractions. (The more advanced scripting languages do.)

通常，普通的shell并不能提供这种抽象(较为高级的脚本语言则可以)。

youdao

Typically, a regular shell does not offer such abstractions. (The more advanced scripting languages do.)

通常，普通的shell并不能提供这种抽象(较为高级的脚本语言则可以)。

youdao