export / subshell solutions

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>
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Nico Schottelius 2011-02-22 12:49:55 +01:00
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Inherit / subshell:
#
Shell parameters that are set by variable assignment (see the set special built-in) or from the System Interfaces volume of IEEE Std 1003.1-2001 environment inherited by the shell when it begins (see the export special built-in)
http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_12