# Program - readinput.sh # reads input from the user and prints it back to the terminal That first line just tells the computer to run this script as a bash script, regardless of the shell environment that starts it. The other lines are comments. You can type anything there. It's jus...
readarray-d''array<<(find.-name"$input"-print0) 可以处理任意文件名(包括空格、换行符和通配符)。这要求你的 find 支持 -print0,例如 GNU find 就支持。 由于readarray 同 mapfile,可以使用 help mapfile 命令查看帮助文档。 从标准输入读取行到索引数组变量中。 选项说明: -d delim 使用 <delim> 而非...
其次,Shell 是一个命令解释器,解释用户输入的命令。它支持变量、条件判断、循环操作等语法,所以用户可以用 Shell 命令写出各种小程序,又称为脚本(script)。这些脚本都通过 Shell 的解释执行,而不通过编译。 最后,Shell 是一个工具箱,提供了各种小工具,供用户方便地使用操作系统的功能。 Shell 的种类 Shell 有很多种...
交互式(Interactive):解释执行用户的命令,用户输入一条命令,Shell就解释执行一条。 批处理(Batch):用户事先写一个Shell脚本(Script),其中有很多条命令,让Shell一次把这些命令执行完,而不必一条一条地敲命令。 Shell脚本和编程语言很相似,也有变量和流程控制语句,但Shell脚本是解释执行的,不需要编译,Shell程序从脚本...
#use what we learned in a script. #Let's get some information from the user and add it to our scripts with stanard input and read echo "What is your name? " read name #Here standard output directed to append a file to learnToScirptStandardOutput ...
git config --global user.name userName git config --global user.email userEmail 分支1 标签46 essamFix: correct typo prevent script from stop...581a6b412个月前 478 次提交 提交 .github Update stale.yml 5年前 bak2dvd Apply shellcheck (#222) ...
6. Get User InputTo take input from users, we’ll use the read bash command. First, create a new bash shell file:nano read.shThen, fill it with the script below:#!/bin/bash echo "What is your age?" read age echo "Wow, you look younger than $age years old"...
To point out subtle caveats, corner cases and pitfalls that may cause an advanced user's otherwise working script to fail under future circumstances. Seethe gallery of bad codefor examples of what ShellCheck can help you identify! Table of Contents ...
This is where the shell timeout code is executed. */intread_command(){...result=parse_command();...return(result);}.../* Call the YACC-generated parser and return the status of the parse. Input is read from the current input stream (bash_input). yyparse leaves...
2. Create a Directory by Reading Input From your scripts, you can run any program that you might normally run on the command line. For example, you can create a new directory from your script using themkdircommand. Begin with the same shebang line as before: ...