Teach Yourself Scheme: 11.3 Environment variables@Everything2.com

The getenv procedure returns the setting of an operating-system environment variable. Eg,

(getenv "HOME")
=> "/home/dorai"

(getenv "SHELL")
=> "/bin/bash"

Teach Yourself Scheme	Teach Yourself Scheme: 12 Objects and classes	Teach Yourself Scheme: 11.2 Calling operating-system commands	POSIX_ME_HARDER
$HOME	condition variable	My quick GPL'd script to adjust some PATH environment variables	Brave New World
Linear Variable Differential Transformer	SpaceShipOne	local variable	Local Variables:
free variable	variable aperture zoom	continuously variable transmission	live for today
I can no longer use variables in ordinary discourse	4DOS	"i" is a meaningful variable name	Treating registers as if they were variables
obscure variable names	rational functions in one variable	metasyntactic variable	resistor

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