Linux provides various utilities for processing file contents and output from commands. A very useful one among these is thecutcommand. In this tutorial,we’ll see how we can use thecutcommand to slice files and command output. 2. Basics ...
Linux基础命令:文本处理工具之cut 大纲 1、cut 介绍 2、cut实例演示 3、字符编码 版本更新信息: cut 版本 cut (GNU coreutils) 8.4 一、cut介绍 Cut out selected fields of each line of a file. Cut command can be used to display only specific columns from a text file or other command outputs. C...
Here are some key points about the `cut` command in Linux: 1. Syntax: The basic syntax of the `cut` command is `cut [options] [file]`. The options can be used to specify the delimiter, the fields to cut, and the input source. 2. Delimiter: By default, `cut` treats each line ...
顺序执行多条命令:command1;command2;command3; 简单的顺序指令可以通过;来实现 有条件的执行多条命令:which command1 && command2 || command3 && : 如果前一条命令执行成功则执行下一条命令,如果command1执行成功(返回0),则执行command2 || :与&&命令相反,执行不成功时执行这个命令 $?: 存储上一次命令的返...
linux命令: 第一步:去重,将重复的行合并为一行。 第二步:查每一行中包含Exception关键字且不为CardInvalidException、SocketException、NullPointerException、MacCheckInvalidException的行信息打印出来 sort -n catalina.out.20140406| uniq |egrep '[^CardInvalidException SocketException NullPointerException MacCheckInvalid...
linux命令的选项和选项后面的值的方式: 如果用 短选项, 选项值就放在短选项的后面, 如果用长选项, 值就用等于的方式. 最重要的是, 短选项后面的值, 跟短选项之间, 可以用空格, 也可以紧接着写, 系统是可以时别的, 因为只要看到一个短线, 就把后面的那个字符解析为选项名称, 然后再后面的内容, 即使是紧...
// ##=== R command ===## projPath = "/CUTTAG" sampleList = c("D1_rep1", "D1_rep2", "D1_rep3", "D1_rep4", "IgG_rep1") histList = c("D1", "IgG") peakN = c() peakWidth = c() peakType = c("control", "top0.01") for(hist in sampleList){ histInfo = st...
点击“文件”菜单,选择“共享”>“导出媒体”或使用快捷键(如Command+E)。 在弹出的“导出媒体”窗口中,选择导出文件的格式。虽然格式本身不直接决定文件大小,但某些格式(如H.265/HEVC)在相同质量下通常比H.264具有更高的压缩率。 接下来,调整以下参数以减小文件大小: ...
// ##== linux command ==##cat TAIR_exons.gtf|cut-f1,4,5,9|cut-f1-d";"|awk'{print $1, $2, $3, $5}'|sed-e's/ /\t/g'|sed-e's/\"//g'|sed-e's/transcript\://g'>TAIR_exons.genomic.bed cores=10computeMatrix scale-regions-SD_rep1_raw.bw D_rep2_raw.bw D_rep3_...
Shell Scripting: Expert Recipes for Linux, Bash, and More by cut Thecutcommand is used widely in shell scripts. It is the complement topaste, although “cut” and “paste” in this context have nothing to do with the GUI metaphor of moving data to a clipboard and then pasting it back ...