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<a href="https://gitlab.com/lumag">Dmitry Eremin-Solenikov</a>
started a new discussion
on <a href="https://gitlab.com/gnutls/gnutls/commit/6099715eefb08e8bff3265ebdc48f2a051cb0527#note_104216166">src/gen-mech-list.sh</a>:
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<pre style="margin: 0;"> <span id="LC8" class="line" lang="shell"><span class="c" style="color: #998; font-style: italic;"># Exclude duplicate and uninteresting entries</span></span>
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<pre style="margin: 0;"> <span id="LC9" class="line" lang="shell"><span class="nv" style="color: teal;">EXCLUDED</span><span class="o" style="font-weight: 600;">=</span><span class="s2" style="color: #d14;">"(CKM_VENDOR_DEFINED</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_MAC</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_KEY_GEN</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_ECB</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_CBC</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_MAC_GENERAL</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_CAST128_CBC_PAD</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_PBE_MD5_CAST128_CBC</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_PBE_SHA1_CAST128_CBC</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">|CKM_EC_KEY_PAIR_GEN</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">)"</span></span>
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<pre style="margin: 0;"> <span id="LC10" class="line" lang="shell"></span>
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<pre style="margin: 0;">-<span id="LC11" class="line" lang="shell"><span class="nb" style="color: #0086b3;"><span class="idiff left">cat</span></span><span class="idiff"> </span><span class="k" style="font-weight: 600;"><span class="idiff">${</span></span><span class="nv" style="color: teal;"><span class="idiff">HEADER</span></span><span class="k" style="font-weight: 600;"><span class="idiff">}</span></span><span class="idiff">|grep </span><span class="nt" style="color: navy;"><span class="idiff">-E</span></span><span class="idiff"> </span><span class="s2" style="color: #d14;"><span class="idiff">"define</span></span><span class="se" style="color: #d14;"><span class="idiff">\s</span></span><span class="s2" style="color: #d14;"><span class="idiff">CKM_"</span></span><span class="idiff">|grep </span><span class="nt" style="color: navy;"><span class="idiff">-vE</span></span><span class="idiff"> </span><span class="s2" style="color: #d14;"><span class="idiff">"</span></span><span class="k" style="font-weight: 600;"><span class="idiff">${</span></span><span class="nv" style="color: teal;"><span class="idiff">EXCLUDED</span></span><span class="k" style="font-weight: 600;"><span class="idiff">}</span></span><span class="s2" style="color: #d14;"><span class="idiff">"</span></span><span class="idiff">|awk </span><span class="s1" style="color: #d14;"><span class="idiff right">'{print "\t["$3"] = \""$2"\","}'</span></span></span>
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<pre style="margin: 0;">+<span id="LC11" class="line" lang="shell"><span class="nv" style="color: teal;"><span class="idiff left">TMPFILE</span></span><span class="o" style="font-weight: 600;"><span class="idiff">=</span></span><span class="idiff">list.</span><span class="nv" style="color: teal;"><span class="idiff">$$</span></span><span class="idiff right">.tmp</span></span>
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<pre style="margin: 0;"> <span id="LC12" class="line" lang="shell"></span>
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<pre style="margin: 0;">+<span id="LC13" class="line" lang="shell"><span class="nb" style="color: #0086b3;">cat</span> <span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: teal;">HEADER</span><span class="k" style="font-weight: 600;">}</span>|grep <span class="nt" style="color: navy;">-E</span> <span class="s2" style="color: #d14;">"define</span><span class="se" style="color: #d14;">\s</span><span class="s2" style="color: #d14;">CKM_"</span>|grep <span class="nt" style="color: navy;">-vE</span> <span class="s2" style="color: #d14;">"</span><span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: teal;">EXCLUDED</span><span class="k" style="font-weight: 600;">}</span><span class="s2" style="color: #d14;">"</span>|awk <span class="s1" style="color: #d14;">'{print "\t["$3"] = \""$2"\","}'</span> <span class="o" style="font-weight: 600;">></span><span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: teal;">TMPFILE</span><span class="k" style="font-weight: 600;">}</span></span>
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<pre style="margin: 0;">+<span id="LC14" class="line" lang="shell"><span class="nb" style="color: #0086b3;">cat</span> <span class="k" style="font-weight: 600;">${</span><span class="nv" style="color: teal;">TMPFILE</span><span class="k" style="font-weight: 600;">}</span>|sort|uniq</span>
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<p dir="auto">Why do you need to split these pipelines instead of just <code>cat ${HEADER} | grep -E "..." | grep -vE "..." | awk '{...}' | sort | uniq</code>? Or even <code>... | sort -u</code>?</p>
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