Uniq command is helpful to remove or detect duplicate entries in a file. This tutorial explains few most frequently used uniq command line options that you might find helpful. The following test file is used in some of the example to understand how uniq command works. $ cat test aa aa bb ...
注意:'uniq'不检测重复的行,除非它们相邻。您可能希望先对输入进行排序,或者使用'sort -u'而不使用...
In Linux, we can use theuniqcommand that comes in handy when we want to list or remove duplicate lines that present adjacently. Apart from this, we can also use the uniq command to count duplicate entries. It is important to note that, the uniq command works only when duplicate entries ...
When you’re working with a lot of text or data or even large outputs from other commands, sorting it is a great way to make things manageable. The sort command will sort the lines of a text file alphabetically or numerically.Basic sort syntax:sort [options] [file]...
6. awk command examples Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp Print all lines from /etc/passwd that has the same uid and gid $awk -F ':' '$3==$4' passwd.txt Print only specific field from a file. ...
To search a different other than your/homedirectory, you must pass the directory name with the command, as: $ /usr/share/fslint/fslint/fslint /home/avi/Pictures Find Duplicate Files To search recursively to all the sub-folders, you should use flag‘-r’, simply as: ...
line is a relic of the past. Yet, it remains a potent tool for anyone who wants to truly harness the power of a computer. Welcome to the world of the Linux Command Line. Here, we will uncover the tips and tricks that can transform you from a casual user into a command line maestro...
Figure 2. varnishstat Command The important lines are cache_hit and cache_miss. cache_hits won’t be shown if you haven’t had any hits yet. As more requests come in, the counters are updates to reflect hits and misses. Next, let’s look at the varnishlog command launched earlier (Fig...
6. awk command examples Remove duplicate lines using awk $ awk '!($0 in array) { array[$0]; print }' temp Print all lines from /etc/passwd that has the same uid and gid $awk -F ':' '$3==$4' passwd.txt Print only specific field from a file. $ awk '{print $2,$5;}' em...
Go through each of the commands and try to run it in your terminal. 1.1)pwd PrintWorking Directory: This command displays the absolute path of your current location. $ pwd /home/user Copy Scenario 1:You’re working on a complex project with nested directories and symbolic links. You acciden...