Kevin Ballard dcc043df3b Add an optional mode to env_get_string() ...

The mode restricts the scope in which the variable is searched for.

Use this new restricted scope functionality in the `set` builtin. This
fixes `set -g` to not show local shadowing variable values, and also
allows for scoped erasing of slices.

2014-07-12 15:35:34 -07:00

20 KiB

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