35 lines
759 B
Standard ML
Executable file
35 lines
759 B
Standard ML
Executable file
#!/usr/bin/env fun
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/*
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*/
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// Environment variables via env(name):
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// - Returns the value as a string.
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// - If the variable is not set, returns an empty string.
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print("HOME=" + env("HOME"))
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print("SHELL=" + env("SHELL"))
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print("FUN_NOT_SET=" + env("FUN_NOT_SET"))
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// You can use it in scripts, e.g.:
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fun greet()
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user = env("USER")
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if user == ""
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print("Hello, mysterious friend!")
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else
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print("Hello, " + user + "!")
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greet()
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/* Possible output:
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HOME=/home/hanez
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SHELL=/bin/zsh
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FUN_NOT_SET=
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Hello, hanez!
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*/
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