For Gauche 0.9.10

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11.19 srfi-98 - Accessing environment variables

Module: srfi-98

This srfi defines a portable way to access the underlying system’s environment variables. Gauche supports such procedures built-in (see Environment inquiry), but portable programs may want to use srfi API instead.

Function: get-environment-variable name

[SRFI-98] {srfi-98} Returns a string value of an environment variable named by a string name. If the named environment variable doesn’t exist, #f is returned.

This is equivalent to sys-getenv.

(get-environment-variable "PATH")
  ⇒ "/bin:/usr/sbin:/usr/bin"
Function: get-environment-variables

[SRFI-98] {srfi-98} Returns an assoc list of the name and the value of each environment variable.

This is equivalent to sys-environ->alist without the optional argument.

  ⇒ (("PATH" . "/bin:/usr/sbin:/usr/bin")

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