Revision 922f47979afd8bee43f6810c53146aa6d34b44ab authored by Brad King on 03 June 2014, 13:30:39 UTC, committed by Brad King on 03 June 2014, 13:30:39 UTC
unset.rst
unset
-----
Unset a variable, cache variable, or environment variable.
::
unset(<variable> [CACHE | PARENT_SCOPE])
Removes the specified variable causing it to become undefined. If
CACHE is present then the variable is removed from the cache instead
of the current scope.
If PARENT_SCOPE is present then the variable is removed from the scope
above the current scope. See the same option in the set() command for
further details.
<variable> can be an environment variable such as:
::
unset(ENV{LD_LIBRARY_PATH})
in which case the variable will be removed from the current
environment.
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