update mirrors

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James Feng Cao 2024-04-02 19:38:45 +08:00
parent 75cb8c0c1e
commit ed565d9960
61 changed files with 286 additions and 233 deletions

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</ul>
<h4 id="crontab-with-enhanced-semantics">crontab (with enhanced semantics)</h4>
<p>For performance, the file &quot;crontab&quot; uses single space as field separator. Letters are not suppored currently. So use &quot;1&quot; for &quot;January&quot; and 2 for &quot;Tuesday&quot; etc.</p>
<p>The sixth field in crontab file could be in the format of <a href="../links/index.html">internal links</a>. Specifically, &quot;c:&quot; to execute the following commands in termux and &quot;!&quot; to execute commands directly. If the sixth field is not in any of above formats, then the field will appear as the message of alarm clock.</p>
<p>The sixth field in crontab file could be in the format of <a href="../links/index.html#">internal links</a>. Specifically, &quot;c:&quot; to execute the following commands in termux and &quot;!&quot; to execute commands directly. If the sixth field is not in any of above formats, then the field will appear as the message of alarm clock.</p>
<p>To make crontab more powerful, we changed the semantics as follows:<br>
The day of a command's execution can be specified by two fields — day of month, and day of week. The command will be run when <span style="color:red">both</span> fields matche the current time.</p>
<p>Note (the original crantab semantics):<br>