gio:application-command-line-getenv (cmdline name)

cmdline -- a g:application-command-line instance
name -- a string for the environment variable to get

The string with the value of the variable, or nil if unset or unsent.

Gets the value of a particular environment variable of the command line invocation, as would be returned by the g_getenv() function. The strings may contain non UTF-8 data.

The remote application usually does not send an environment. Use the :send-enviroment flag to affect that. Even with this flag set it is possible that the environment is still not available, due to invocation messages from other applications.

(defvar cmd (make-instance 'g:application-command-line)) => CMD
(g:application-command-line-getenv cmd "HOME") => "/home/dieter"
(g:application-command-line-getenv cmd "unkown") => NIL