Shebang

Shebang is a language feature.

In computing, a shebang is the character sequence consisting of the characters number sign and exclamation mark (#!) at the beginning of a script. It is also called sha-bang, hashbang, pound-bang, or hash-pling.

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Languages with Shebang include Python, Erlang, Bourne shell

Example from Python:

#!/usr/bin/env python

Example from Erlang:

#!/usr/bin/env escript

Example from Bourne shell:

#!/bin/sh -x

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