Jan Nieuwenhuizen
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bca65e807b
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Support ${foob-bar} and ${foo+bar}.
* gash/environment.scm (variable): Add default parameter.
(variable-or, variable-and): New function.
* test/07-variable-or.sh: Test it.
* test/07-variable-or-not.sh:
* test/08-variable-and.sh:
* test/08-variable-and-not.sh:
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2018-11-05 20:13:26 +01:00 |