How do I prompt for Yes/No/Cancel input in a Linux shell script? 我想暂停shell脚本中的输入,并提示用户选择。标准的"是、否或取消"类型的问题。如何在典型的bash提示中完成这一点? 在shell提示下获取用户输入的最简单和最广泛可用的方法是read命令。说明其用途的最佳方法是简单演示: 1 2 3 4
#Print the input values echo"ID:$id" echo"Batch:$batch" echo"CGPA:$cgpa" The following output appears after executing the script with the values of id=’01156788’, batch=42, and cgpa=3.97: Conclusion The uses of the prompt with the “read” command in the Bash script are shown in ...
如果参数为start,则创建空文件/var/lock/subsys/script,并显示“Starting script successfully.” 如果参数为stop,则删除文件/var/lock/subsys/script,并显示“Stop script successfully.” 如果参数为restart,则删除文件/var/locksubsys/script并重新创建,而后显示“Restarting script successfully.” 如果参数为status,那么...
#!/bin/bash #Here we are asking a question to prompt the user for standard input. i.e.keyboard echo 'Please enter your name.' #Here we are reading the standard input and assigning it to the variable name with the read command. read name #We are now going back to standard output, ...
Note: Executing this command may bring a prompt asking you if you would like to create a new file; select “Yes.” Step 2: Specifying the interpreter On the first line of our script, we must specify which interpreter we would like to use to parse our script. In this scenario, it is...
find_lock.sh - tries to find if a lockfile is used in the given or current working directory by taking snapshots of the file list before and after a prompt in which you should open/close an application foreach_path_bin.sh - runs each binary of the given name found in $PATH with the...
Very often in bash scrips you need toask for user inputthat requires aYes or Noanswer. For example, you may want to put a quick “Are you sure?” prompt forconfirmation before executionof some potentially dangerous part of abash script. ...
#将 Shell 脚本作为程序运行 chmod +x script.sh # 给脚本添加执行权限 ./script.sh # 运行脚本 #将 Shell 脚本作为参数传递给 Bash 解释器 bash script.sh # 这种方式将忽略脚本文件第一行的指定解释器信息 在当前进程中运行 Shell 脚本source ./script.sh . ./script.sh # source 命令的简化写法 ...
a small example program for using the new getopt(1) program. this program will only work with bash(1) an similar program using the tcsh(1) script language can be found as parse.tcsh example input and output (from the bash prompt): ...
使用/dev/stdin作为包装脚本中多个命令行输入中的第一个EN假设我正在编写一个bash脚本myscript.bash，它...