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4 Commits

Author SHA1 Message Date
Timothy Sample 7e3bbda4cb Add 'unset' built-in 
* geesh/environment.scm (delete-environment-vars!): New public function.
(delete-environment-functions!): New public function.
* geesh/built-ins/unset.scm: New file.
* Makefile.am: Add it.
* geesh/built-ins.scm: Enable 'unset'.
 2018-12-05 16:08:09 -05:00
Timothy Sample 21b862d326 Add the 'false' utility 
* geesh/built-ins/false.scm: New file.
* Makefile.am: Add it.
* geesh/built-ins.scm (*built-ins*): Define 'false'.
 2018-12-03 20:15:19 -05:00
Timothy Sample 339f59d639 Add the 'read' utility 
* geesh/built-ins/read.scm: New file.
* Makefile.am: Add it.
* geesh/built-ins.scm (*built-ins*): Define 'read'.
 2018-12-03 20:14:36 -05:00
Timothy Sample e1f139b841 Add support for built-ins, starting with 'echo' 
* geesh/built-ins/echo.scm: New file.
* geesh/built-ins.scm: New file.
* Makefile.scm: Add them.
* geesh/shell.scm (exec-let): Include built-ins in command search.
* tests/shell.scm: Add a test for this.
 2018-11-28 23:07:03 -05:00