问题描述
我是Linux的新手,在尝试了解uinq命令时遇到了此问题 我使用cat命令创建了一个hello2文件,并在其中输入了这些文本
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<div class="mainCarousel w-75 ml-auto">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="https://images.pexels.com/photos/1051399/pexels-photo-1051399.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://images.pexels.com/photos/2741458/pexels-photo-2741458.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://images.pexels.com/photos/2175211/pexels-photo-2175211.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">PrevIoUs</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
然后我运行了该命令
hello
hello
google
hello
sort hello2 | uniq
到目前为止,我在此基础上对uniq命令的理解应该是不同的
google
hello
hello
有人可以理解为什么会这样吗?
解决方法
其中一个重复的单词中可能有空格,因此仍会输出另一个问候。
您可以在article上查看有关uniq的更详细信息。