echo "All the command-line parameters are: "$*"" if [ $# -lt "$MINPARAMS" ] then echo echo "This script needs at least $MINPARAMS command-line arguments!" fi echo exit 0 运行代码: bash test30.sh 1 2 10 The name of this script is "test.sh". The name of this script is "t...
$0变量也可以用于获取命令行参数中的程序名称。例如,如果我们执行以下命令:./myscript.sh argument1 argument2,那么$0变量将包含“myscript.sh”,而 $1 变量将包含“argument1”,$2 变量将包含“argument2”。 结论 在Bash 脚本中,$0变量是一个特殊变量,用于表示当前脚本的路径和名称。它可以用于显示脚本名称和路...
shift # 跳过后面的值;;--default)#如果参数是这个,脚本会将变量DEFAULT设置为YESDEFAULT=YESshift # 跳过参数;;-*|--*)#如果参数是以-或--开头且未知的选项,打印错误信息并退出 echo"Unknown option $1"exit1;;*)#对于所有其他非选项参数(即位置参数),将它们逐一添加到POSITIONAL_ARGS数组中,POSITIONAL_ARGS...
echo "1st argument to function is $1 and 2nd is $2" } echo "1st argument to script is $1 and 2nd is $2" arg $2 $1 当你运行这个脚本时,你会看到这样的交换: $ ./function.sh abhi shek 1st argument to script is abhi and 2nd is shek 1st argument to function is shek and 2nd is...
尽管bash-script提供了数组的专有形式,但使用上与带空格的字符串没有太大的差别。实际上,实参尚可以数组格式传入(当然也可以先整合为字符串),但返回值只能利用echo,返回字符串格式的“数组”了。 回到顶部 条件判断 以FILE 为判断依据: 以STRING 为判断依据 ...
# The script is:function_name() {echo"the function is called"echo'$0 is'$0echo'$1 is'$1echo'$2 is'$2echo'$# is'$#echo'$*'is $*echo'$@'is$@} function_name first second third# The result is:thefunctionis called$0is ./bash_ex.sh$1is first$2is second$#is 3 ...
script-脚本 string。targetType = inline时是必需的。 默认值:# Write your commands here\n\necho 'Hello world'。 脚本的内容。 workingDirectory-工作目录 string。 指定要在其中运行命令的工作目录。 如果将其留空,则工作目录$(Build.SourcesDirectory)。
[student@studentvm1 testdir]$ for Dept in "Human Resources" Sales Finance "Information Technology" Engineering Administration Research ; do echo "Working on Department $Dept" ; mkdir "$Dept" ; done Working on Department Human Resources
Then we may write our first line of script to output a message like this, ‘echo "Hello world!" ’. You should press ‘s’ to go to ‘INSERT’ mode to start writing on the vim editor. Once your script file is completed, you should press ‘esc’ key and type ‘:’ and ‘w’ ...
# Use bash for the shell SHELL ["/bin/bash", "-o", "pipefail", "-c"] # Create a script file sourced by both interactive and non-interactive bash shells ENV BASH_ENV /home/user/.bash_env RUN touch "${BASH_ENV}" RUN echo '. "${BASH_ENV}"' >> ~/.bashrc # Download and ...