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A computer script is a sequence of commands that automates tasks, written in a special programming language that is executed by another program or a runtime environment, not directly by the computer's processor. Scripts are used to perform repetitive actions, control other programs, and add dynamic functionality to applications and websites. They are often contrasted with traditional programs due to being more concise and generally being interpreted rather than compiled, though this distinction can be blurry.

What a script is: A script is essentially a "mini-program" that performs a specific, often repetitive, task. It is a set of instructions for a computer, but instead of being executed directly by the processor, it is interpreted and run by another program (a script engine or runtime environment). Examples of tasks include data entry, file manipulation, automating backups, and making web pages interactive.

Key characteristics

Automation: Scripts are primarily used to automate repetitive or complex tasks, saving time and reducing errors.

Runtime execution: Scripts are interpreted at runtime, meaning the code is processed line by line as it executes, unlike compiled programs that are translated into machine code before running.

"Glue code": They are often used to connect different software components and orchestrate their interactions.

Simpler and faster development: Scripts are often faster to write and modify than traditional programs.