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solution"><!--[--><!--]--><span>PaaS solution</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a class="external-link" href="https://www.aliyun.com/product/servicemesh?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="Service mesh solution"><!--[--><!--]--><span>Service mesh solution</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" 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0-.7-.275q-.275-.275-.275-.7q0-.425.275-.7l4.35-4.35q-.675-.775-1.25-1.563q-.575-.787-1.025-1.662Q5.1 8.8 5.35 8.4t.875-.4q.25 0 .525.162q.275.163.4.388Z"></path></svg><span class="right arrow"></span></button><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a href="/doc/grep.html" class="" aria-label="简体中文"><!--[--><!--]--> 简体中文 <!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a aria-current="page" href="/en/doc/grep.html" class="router-link-active router-link-exact-active router-link-active" aria-label="English"><!--[--><!--]--> English <!--[--><!--]--></a></li><!--]--></ul></div></div><div class="navbar-item"><a class="external-link" href="https://github.com/alibaba/arthas" rel="noopener noreferrer" target="_blank" aria-label="GitHub"><!--[--><!--]--><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 24 24" style="height:1.25rem;width:1.25rem;vertical-align:bottom;"><path 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debug/CONTRIBUTING</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!--[--><!--]--></a><!----></li><li><a class="external-link sidebar-item" href="https://github.com/alibaba/arthas/releases" rel="noopener noreferrer" target="_blank" aria-label="Release Notes"><!--[--><!--]--><span>Release Notes</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span><!--[--><!--]--></a><!----></li><li><a href="/en/doc/contact-us.md" class="sidebar-item" aria-label="Contact us"><!--[--><!--]--> Contact us <!--[--><!--]--></a><!----></li><!--]--></ul></li><!--]--></ul><!--[--><!--]--></aside><!--]--><!--[--><main class="page" data-v-e0e60120><!--[--><!--]--><div class="theme-default-content" data-v-e0e60120><!--[--><!--]--><!----><div data-v-e0e60120><h1 id="grep" tabindex="-1"><a class="header-anchor" href="#grep" aria-hidden="true">#</a> grep</h1><p><a href="https://arthas.aliyun.com/doc/arthas-tutorials.html?language=en&id=command-grep" target="_blank" rel="noopener noreferrer"><code>grep</code> online tutorial<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></p><div class="custom-container tip"><p class="custom-container-title">TIP</p><p>Similar to the traditional <code>grep</code> command.</p></div><div class="language-text ext-text line-numbers-mode"><pre class="language-text"><code> USAGE:
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grep [-A <value>] [-B <value>] [-C <value>] [-h] [-i] [-v] [-n] [-m <value>] [-e] [--trim-end] pattern
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SUMMARY:
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grep command for pipes.
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EXAMPLES:
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sysprop | grep java
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sysprop | grep java -n
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sysenv | grep -v JAVA
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sysenv | grep -e "(?i)(JAVA|sun)" -m 3 -C 2
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sysenv | grep JAVA -A2 -B3
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thread | grep -m 10 -e "TIMED_WAITING|WAITING"
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WIKI:
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https://arthas.aliyun.com/doc/grep
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OPTIONS:
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-A, --after-context <value> Print NUM lines of trailing context)
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-B, --before-context <value> Print NUM lines of leading context)
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-C, --context <value> Print NUM lines of output context)
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-h, --help this help
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-i, --ignore-case Perform case insensitive matching. By default, grep is case sensitive.
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-v, --invert-match Select non-matching lines
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-n, --line-number Print line number with output lines
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-m, --max-count <value> stop after NUM selected lines)
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-e, --regex Enable regular expression to match
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--trim-end Remove whitespaces at the end of the line
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<pattern> Pattern
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