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<a href="https://gitlab.rtems.org/galelo04">Mostafa Abdelglel</a> created a merge request: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1061">!1061</a>
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Project:Branches: galelo04/rtems:shell-add-support-for-head-command to rtems/rtos/rtems:main
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Author: Mostafa Abdelglel
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Assignees:
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Reviewers:
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<h2 id="user-content-summary" dir="auto" style="margin-top: 0; margin-bottom: 10px;" align="initial">Summary<a href="#summary" aria-label="Link to heading 'Summary'" data-heading-content="Summary" class="anchor" style="margin-top: 0;"></a>
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<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">shell: Port the head command from FreeBSD</p>
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<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">port the head command from the FreeBSD source code</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">port expand_number() to support SI suffixes</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">port getline() from NetBSD ( #define _GNU_SOURCE didn't work )</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">add necessary build support</li>
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<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">verification:
verified manually on the sparc-rtems7-sis simulator.
I adapted some of the test cases from the FreeBSD test suite (tests/head_test.sh) and verified the output matches the host head command.</p>
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<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">default no options: head file (10 lines).</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">line count: head -n 5 file.</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">byte count: head -c 5 file</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">SI units: head -n 1k file</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">multiple files: head file1 file2 (verified that it produces headers without the -q flag)</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">verbose flag: head -v file</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">illegal line count: head -n fj file</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">missing line count: head -n file</li>
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<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">references:</p>
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<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://github.com/freebsd/freebsd-src/blob/main/usr.bin/head/head.c" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">FreeBSD head source code</a></li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://github.com/freebsd/freebsd-src/blob/main/usr.bin/head/tests/head_test.sh" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">FreeBSD head test suite</a></li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://github.com/freebsd/freebsd-src/blob/main/lib/libutil/expand_number.c" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">FreeBSD expand_number() source code</a></li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;"><a href="https://github.com/lattera/freebsd/blob/master/contrib/file/getline.c" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">NetBSD getline() source code</a></li>
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<h2 id="user-content-generative-ai" dir="auto" style="margin-top: 20px; margin-bottom: 0;" align="initial">Generative AI<a href="#generative-ai" aria-label="Link to heading 'Generative AI'" data-heading-content="Generative AI" class="anchor" style="margin-top: 0;"></a>
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