get environment variables from /etc/environment
[-l] [-s] env_var
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This tool will
print out the value of env_var from
/etc/environment. It will attempt to expand
environment variable references in the definition of
env_var but will fail if PAM items are
-l option indicates the script should return an
environment variable related to default locale
-s option indicates that the script should
return an system default environment variable.
neither the -l or -s options do
anything. They are included because future versions of
Debian may have a separate repository for the initial
environment used by init scripts and for system locale
information. These options will allow this script to be a
stable interface even in that environment.