Sort命令以空格作为字段分隔符,将一行分割为多个关键字对文件进行排序。需要注意的是除非你将输出重定向到文件中,否则Sort命令并不对文件内容进行实际的排序(即文件内容没有修改),只是将文件内容按有序输出。 本文的目标是通过14个实际的范例让你更深刻的理解如何在Linux中使用sort命令。 1、 首先我们将会创建一个用...
$ df --local > tmp $ sort -k4nr tmp rootfs 20640636 1155484 18436736 6% / tmpfs 102880 0 102880 0% /run/shm tmpfs 51444 160 51284 1% /run udev 10240 0 10240 0% /dev tmpfs 5120 0 5120 0% /run/lock Filesystem 1K-blocks Used Available Use% Mounted on $ 哎呀!输出包括标题行。让...
For example, if you’re sending data from Host A to Host B, as shown in Figure 9-1, your bytes leave the application layer on Host A and travel through the transport and network layers on Host A; then they go down to the physical medium, across the medium, and up again through the...
sort命令可以快速将文本文件的行按字母数字顺序排序。 如果文件的行以数字开头,并且你想按数字顺序排序,使用-n选项。-r选项可以反转排序的顺序。 2.6 Changing Your Password and Shell(修改密码和Shell) Use the passwd command to change your password. You’ll be asked for your old password and then prompte...
If we want only unique lines, no duplicate, we should use -u option, sort -u a.txt If we want to sort based on numerical values: sort -n a.txt, sort -nr a.txt Sort based on the column line number: ls etc/ -l | head -7 | sort -rk 5 will show the info of the top 7 ...
Basic sort syntax:sort [options] [file]Useful sort options:-n –Sort numerically instead of alphabetically -r –Reverse the sort order -k –Sort based on a specific field or columnFor example:sort -n grades.txtThis numerically sorts the contents of grades.txt. sort is handy for ordering ...
Sort the output of thels -l commandfor your home directory based on the fifth column, which represents the ‘amount of data’, in random order. ls -l /home/avi/ | sort -k5 -R Every time you run the above piece of script you are likely to get a different result since the result ...
SEE ALSO Regular Manual Pages awk(1), cmp(1), diff(1), find(1), perl(1), sed(1), sort(1), xargs(1), read(2), pcre(3), pcresyntax(3), pcrepattern(3), terminfo(5), glob(7), regex(7). Full Documentation A complete manual ⟨https://www.gnu.org/software/grep/manual/...
We’ll go through some examples to learn how to sort lines in various ways using the sort command. 3. Sort by Number Very often, we need to sort lines numerically. We can pass the option -n to sort to do that. Let’s create a new file, cities2.txt, and add a new column: popu...
│H Displaycolumnheaders │ │P Print histogramstoperf.hist.N │ │t ZoomintocurrentThread │ │VVerbose(DSO namesincallchains, etc) │ │z Toggle zeroingofsamples │ │/Filtersymbolbyname 输入E全部展开,展开后可以得到stack trace的结果, 如果发现有地址的信息,但是没有符号表的信息,可能是软件编译...