blocks|key|4197778|text|$+awk+-v+RS=''+'NR==FNR{split($0,+a,+/\n/);+next};+$1+in+a'+file-{2,1}
1
%2B%2B%2B%2B%2B%2B%5E%5E%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%5E%5E%5E
%5E%5E%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4197779|file-2包含逐行索引：|unstyled|offset|length|style|CODE|4197780|1
3
5|4197781|解释：|4197782|4197783|RS=''告诉rest读取多行records|unordered-list-item|BOLD|4197784|NR==FNR+awk作为一行读取file-2，所以我们应该先读取split，并将结果保存在数组records|4197785|NR==FNR跳过awk命令，准备读取file-1|4197786|$1+in+a测试数组a|4197787|file-{2,1}中是否有file-1的第一列我们应该先读取file-2以获得所有的索引|4197788|4197789|entityMap^0|0|0|6|0|0|0|0|0|5|0|5|0|0|7|0|7|8|3|H|6|X|5|0|0|7|0|7|9|3|J|6|0|0|7|0|7|B|1|0|0|A|0|A|E|6|V|6|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|15|8|@$G|16|H|17|I|J]]|9|@]|A|$]]|$1|K|3|L|5|6|7|18|8|@]|9|@]|A|$B|C]]|$1|M|3|N|5|F|7|19|8|@]|9|@]|A|$]]|$1|O|3|-4|5|F|7|1A|8|@]|9|@]|A|$]]|$1|P|3|Q|5|R|7|1B|8|@$G|1C|H|1D|I|S]|$G|1E|H|1F|I|J]]|9|@]|A|$]]|$1|T|3|U|5|R|7|1G|8|@$G|1H|H|1I|I|S]|$G|1J|H|1K|I|J]|$G|1L|H|1M|I|J]|$G|1N|H|1O|I|J]|$G|1P|H|1Q|I|J]]|9|@]|A|$]]|$1|V|3|W|5|R|7|1R|8|@$G|1S|H|1T|I|S]|$G|1U|H|1V|I|J]|$G|1W|H|1X|I|J]|$G|1Y|H|1Z|I|J]]|9|@]|A|$]]|$1|X|3|Y|5|R|7|20|8|@$G|21|H|22|I|S]|$G|23|H|24|I|J]|$G|25|H|26|I|J]]|9|@]|A|$]]|$1|Z|3|10|5|R|7|27|8|@$G|28|H|29|I|S]|$G|2A|H|2B|I|J]|$G|2C|H|2D|I|J]|$G|2E|H|2F|I|J]]|9|@]|A|$]]|$1|11|3|-4|5|F|7|2G|8|@]|9|@]|A|$]]|$1|12|3|-4|5|F|7|2H|8|@]|9|@]|A|$]]]|13|$]]

<pre><code>$ awk -v RS='' 'NR==FNR{split($0, a, /\n/); next}; $1 in a' file-{2,1}
1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++
</code></pre>

<p><code>file-2</code> contains indexes line by line:</p>

<pre><code>1
3
5
</code></pre>

<h3>Explaination:</h3>

<ul>
<li><strong><code>RS=''</code></strong> tell <code>awk</code> to read multi-line records</li>
<li><strong><code>NR==FNR</code></strong> read <code>file-2</code> as one-line, so we should <code>split</code> by <code>\n</code>, and save result in array <code>a</code></li>
<li><strong><code>next</code></strong> skip rest commands, ready to read <code>file-1</code></li>
<li><strong><code>$1 in a</code></strong> test whether <code>file-1</code>'s 1st column in array <code>a</code></li>
<li><strong><code>file-{2,1}</code></strong> we should read <code>file-2</code> first to get all indexes</li>
</ul>


blocks|key|4197794|text|这可能对你有用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4197795|sed+'s%7C.*%7C/%5E&$/,/%5E$/p%7C'+file2+%7C+sed+-nf+-+file1
1
%2B%2B%2B%2B%2B%2B%5E%5E%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%5E%5E%5E
%5E%5E%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B|code-block|syntax|javascript|4197796|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>This might work for you:</p>

<pre><code>sed 's|.*|/^&amp;$/,/^$/p|' file2 | sed -nf - file1
1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++
</code></pre>


blocks|key|1331551|text|使用GNU-awk，您可以尝试这样的操作-|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1331552|gawk+'NR==FNR+{for+(i=1;i<=NF;i%2B%2B)+a[$i];next}+($1+in+a)'+RS='\n\n'+file-{2,1}|code-block|syntax|javascript|1331553|1331554|说明：|blockquote|1331555|1331556|1331557|1331558|我们使用内置的RS变量将记录分隔符设置为\n\n。我们使用|ordered-list-item|offset|length|style|CODE|1331559|循环，并在file-2中以数组的形式存储值。这将确定您要从file-1中提取哪些记录。，|1331560|，我们检查file-1的第一列。如果它出现在数组中，我们打印该记录。否则我们就不会了。|1331561|1331562|测试：|1331563|[jaypal:~/Temp]+cat+file-1
1
%2B%2B%2B%2B%2B%2B%5E%5E%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%5E%5E%5E
%5E%5E%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B

2
%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B
%5E%5E%5E%2B%2B%2B%2B%2B%5E%5E%5E%5E
%5E%5E%5E%5E%5E%5E%5E%2B%2B%2B%2B%2B
%2B%2B%2B%2B%2B%5E%5E%5E%2B%2B%5E%2B

[jaypal:~/Temp]+cat+file-2
1
3
4

[jaypal:~/Temp]+gawk+'NR==FNR+{for+(i=1;i<=NF;i%2B%2B)+a[$i];next}+($1+in+a)'+RS='\n\n'+file-{2,1}
1
%2B%2B%2B%2B%2B%2B%5E%5E%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B
%2B%2B%2B%2B%2B%2B%2B%2B%2B%5E%5E%5E
%5E%5E%2B%2B%2B%2B%2B%2B%2B%2B%2B%2B|1331564|entityMap^0|0|0|0|0|0|0|0|K|4|0|5|6|T|6|0|5|6|0|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|16|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|17|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|18|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|N|3|O|5|P|7|1C|8|@$Q|1D|R|1E|S|T]]|9|@]|A|$]]|$1|U|3|V|5|6|7|1F|8|@$Q|1G|R|1H|S|T]|$Q|1I|R|1J|S|T]]|9|@]|A|$]]|$1|W|3|X|5|P|7|1K|8|@$Q|1L|R|1M|S|T]]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|1O|8|@]|9|@]|A|$]]|$1|11|3|12|5|D|7|1P|8|@]|9|@]|A|$E|F]]|$1|13|3|-4|5|6|7|1Q|8|@]|9|@]|A|$]]]|14|$]]

<p>With GNU-awk, you can try something like this - </p>

<pre><code>gawk 'NR==FNR {for (i=1;i&lt;=NF;i++) a[$i];next} ($1 in a)' RS='\n\n' file-{2,1}
</code></pre>

<blockquote>
  <h3>Explanation:</h3>
  
  <ol>
  <li>We set the Record Separator to <code>\n\n</code> using the built-in RS variables. </li>
  <li>We use a for loop and store values in our <code>file-2</code> in an array. This will identify which records you want to pull out from <code>file-1</code>. </li>
  <li>We check the first column of <code>file-1</code>. If it is present in the array we print that record. Else we dont. </li>
  </ol>
</blockquote>

<h3>Test:</h3>

<pre><code>[jaypal:~/Temp] cat file-1
1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++

2
++++++++++++
^^^+++++^^^^
^^^^^^^+++++
+++++^^^++^+

[jaypal:~/Temp] cat file-2
1
3
4

[jaypal:~/Temp] gawk 'NR==FNR {for (i=1;i&lt;=NF;i++) a[$i];next} ($1 in a)' RS='\n\n' file-{2,1}
1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++
</code></pre>


<p>I need help in the following: I have this kind of file, named <code>file-1</code></p>

<pre><code>1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++

2
++++++++++++
^^^+++++^^^^
^^^^^^^+++++
+++++^^^++^+
</code></pre>

<p>Now, I would like to print out those part in which the starting number is the same as in another file, named <code>file-2</code>.
Let us say that the <code>file-2</code> contains the <code>1</code> value, so I need to get this output:</p>

<pre><code>1
++++++^^++++
++++++++++++
+++++++++^^^
^^++++++++++
</code></pre>

<p>Can anybody suggest me something?</p>


Get certain bunch of rows

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在以下方面需要帮助:我有一个名为file-1的文件1++++++^^+++++++++++++++++++++++++^^^^^++++++++++2++++++++++++^^^+++++^^^^^^^^^^^++++++++++^^^++^+现在，我想打印出起始号与另一个名为file-2的文件中相同的部分。假设file-2包含1值，因此我需要获得以下输出：1++++++^^+++++++++

问获取某些行
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