d4bb8ae438
Add 'true' built-in
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* geesh/built-ins/true.scm: New file.
* Makefile.am: Add it.
* geesh/built-ins.scm (*built-ins*): Add true.
2018-12-05 16:08:09 -05:00
06db42088a
Add 'break' and 'continue'
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* geesh/environment.scm (<environment>): Add 'break-prompt' and
'continue-prompt' fields.
(make-environment): Initialize them.
* geesh/shell.scm (sh:for): Setup break and continue prompts.
* geesh/built-ins/break.scm: New file.
* geesh/built-ins/continue.scm: New file.
* Makefile.am: Add them.
* geesh/built-ins.scm (*special-built-ins*): Add break and continue.
2018-12-05 16:08:09 -05:00
7e3bbda4cb
Add 'unset' built-in
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* 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
21b862d326
Add the 'false' utility
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* 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
5dae68d90a
Make echo return a status code
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* geesh/built-ins/echo.scm (echo): Return a status a code.
2018-12-03 20:14:57 -05:00
339f59d639
Add the 'read' utility
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* 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
00d50fe7fd
Add '-n' support to echo
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* geesh/built-ins/echo.scm (echo): Omit trailing newline when '-n' is
the first argument.
2018-12-03 20:07:22 -05:00
e1f139b841
Add support for built-ins, starting with 'echo'
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* 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
Timothy Sample