<p style="margin: 10px auto; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">需要根据时间删除这个目录下的文件，/home/lifeccp/dicom/studies，清理掉20天之前的无效数据。</p><p style="margin: 10px auto; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">可以使用下面一条命令去完成：</p><div class="jb51code" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;"><div style="margin: 0px; padding: 0px;"><div id="highlighter_235709" class="syntaxhighlighter  bash" style="padding: 0px; width: 818.333px; margin: 1em 0px !important; position: relative !important; overflow: auto !important; font-size: 1em !important;"><table border="0" cellspacing="0" cellpadding="0" style="max-width: 850px; border: 1px solid rgb(223, 223, 223); width: 818.333px; word-break: break-word; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background-image: none !important; background-position: initial !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important;"><tbody style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><tr style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><td class="gutter" style="padding: 8px 14px; border: 1px solid rgb(192, 192, 192); border-collapse: collapse; min-width: 50px; margin: 0px !important; border-radius: 0px !important; background: none !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: 35px !important; box-sizing: content-box !important; min-height: auto !important; color: rgb(175, 175, 175) !important;"><div class="line number1 index0 alt2" style="margin: 0px !important; padding: 0px 0.5em !important; border-radius: 0px !important; background: none rgb(244, 244, 244) !important; border-width: 0px 2px 0px 0px !important; border-top-style: initial !important; border-right-style: solid !important; border-bottom-style: initial !important; border-left-style: initial !important; border-top-color: initial !important; border-right-color: rgb(108, 226, 108) !important; border-bottom-color: initial !important; border-left-color: initial !important; border-image: initial !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; text-align: right !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;">1</div></td><td class="code" style="padding: 8px 14px; border: 1px solid rgb(192, 192, 192); border-collapse: collapse; min-width: 50px; margin: 0px !important; border-radius: 0px !important; background: none !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><div class="container" style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: relative !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><div class="line number1 index0 alt2" style="margin: 0px !important; padding: 0px 1em !important; border-radius: 0px !important; background: none rgb(244, 244, 244) !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">find</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">/home/lifeccp/dicom/studies</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-mtime +21 -name </code><code class="bash string" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 255) !important;">"*.*"</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-</code><code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">exec</code>&nbsp;<code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">rm</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-Rf {} \;</code></div></div></td></tr></tbody></table></div></div></div><p style="margin: 10px auto; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">这个是根据时间删除。</p><p style="margin: 10px auto; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;"><strong style="margin: 0px; padding: 0px;">下面简要解释一下，这句shell命令：</strong></p><div class="jb51code" style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;"><div style="margin: 0px; padding: 0px;"><div id="highlighter_727772" class="syntaxhighlighter  bash" style="padding: 0px; width: 818.333px; margin: 1em 0px !important; position: relative !important; overflow: auto !important; font-size: 1em !important;"><table border="0" cellspacing="0" cellpadding="0" style="max-width: 850px; border: 1px solid rgb(223, 223, 223); width: 818.333px; word-break: break-word; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background-image: none !important; background-position: initial !important; background-size: initial !important; background-repeat: initial !important; background-attachment: initial !important; background-origin: initial !important; background-clip: initial !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important;"><tbody style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><tr style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><td class="gutter" style="padding: 8px 14px; border: 1px solid rgb(192, 192, 192); border-collapse: collapse; min-width: 50px; margin: 0px !important; border-radius: 0px !important; background: none !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: 35px !important; box-sizing: content-box !important; min-height: auto !important; color: rgb(175, 175, 175) !important;"><div class="line number1 index0 alt2" style="margin: 0px !important; padding: 0px 0.5em !important; border-radius: 0px !important; background: none rgb(244, 244, 244) !important; border-width: 0px 2px 0px 0px !important; border-top-style: initial !important; border-right-style: solid !important; border-bottom-style: initial !important; border-left-style: initial !important; border-top-color: initial !important; border-right-color: rgb(108, 226, 108) !important; border-bottom-color: initial !important; border-left-color: initial !important; border-image: initial !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; text-align: right !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;">1</div></td><td class="code" style="padding: 8px 14px; border: 1px solid rgb(192, 192, 192); border-collapse: collapse; min-width: 50px; margin: 0px !important; border-radius: 0px !important; background: none !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><div class="container" style="margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.1em !important; outline: 0px !important; overflow: visible !important; position: relative !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><div class="line number1 index0 alt2" style="margin: 0px !important; padding: 0px 1em !important; border-radius: 0px !important; background: none rgb(244, 244, 244) !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; min-height: auto !important;"><code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">find</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">/home/lifeccp/dicom/studies</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-mtime +21 -name </code><code class="bash string" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 255) !important;">"*.*"</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-</code><code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">exec</code>&nbsp;<code class="bash functions" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(255, 20, 147) !important;">rm</code>&nbsp;<code class="bash plain" style="white-space: pre-wrap; margin: 0px !important; padding: 0px !important; border-radius: 0px !important; background: none !important; border: 0px !important; bottom: auto !important; float: none !important; height: auto !important; left: auto !important; line-height: 1.8em !important; outline: 0px !important; overflow: visible !important; position: static !important; right: auto !important; top: auto !important; vertical-align: baseline !important; width: auto !important; box-sizing: content-box !important; font-family: Consolas, &quot;Bitstream Vera Sans Mono&quot;, &quot;Courier New&quot;, Courier, monospace !important; font-size: 12px !important; min-height: auto !important; color: rgb(0, 0, 0) !important;">-Rf {} \;</code></div></div></td></tr></tbody></table></div></div></div><ul style="margin-right: 0px; margin-bottom: 1em; margin-left: 40px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;"><li style="margin: 0px; padding: 0px; list-style-type: disc;">/home/lifeccp/dicom/studies ：准备要进行清理的任意目录</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">-mtime：标准语句写法</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">＋10：查找10天前的文件，这里用数字代表天数，＋30表示查找30天前的文件</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">"*.*"：希望查找的数据类型，"*.jpg"表示查找扩展名为jpg的所有文件，"*"表示查找所有文件</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">-exec：固定写法</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">rm -rf：强制删除文件，包括目录</li><li style="margin: 0px; padding: 0px; list-style-type: disc;">&nbsp;{} \; ：固定写法，一对大括号+空格+/+;</li></ul><p style="margin: 10px auto; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;PingFang SC&quot;, &quot;Microsoft YaHei&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px;">&nbsp;当然也可以根据文件名、根据大小，根据其他不同条件过滤删除，或者修改等，可以考虑sort等命令结合使用。</p>