what are scripting languages? [duplicate]

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When is a language considered开发者_高级运维 a scripting language?

What languages are scripting languages?? Couldn't we write scripting languages as a stand alone??

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A scripting language, script language or extension language is a programming language that allows control of one or more software applications. "Scripts" are distinct from the core code of the application, as they are usually written in a different language and are often created or at least modified by the end-user. Scripts are often interpreted from source code or bytecode, whereas application software is typically first compiled to a native machine code or to an intermediate code.

Source

There is PHP, Perl, Python, Ruby, etc. More HERE.

Scripts are ran by an interpreter, so there must be an interpreter in the Operating System for the script to run.

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In my opinion a scripting language is a language that is interpreted rather than compiled.