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<article id="tips">
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<div class="puffies" aria-hidden="true">🐡🐡🐡</div>
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<h2>Shell tips</h2>
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<p>
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Display the current month calendar with current day highlited:
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<pre>now=$(date +%d); cal -m |\
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sed "s/ $now /$(printf " \033[1;30;44m$now\033[0m ")/"</pre>
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</p>
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</article>
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