18 lines
432 B
Standard ML
18 lines
432 B
Standard ML
#!/usr/bin/env fun
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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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