但是,当我运行$MOREF变量中包含的命令时,我能够获得输出。 我想知道如何获取需要在脚本中运行的命令的结果,将其保存到变量,然后在屏幕上输出该变量? 除了反引号(`command`)之外,你可以使用$(command),我发现它更容易阅读,并允许嵌套。 OUTPUT="$(ls -1)"echo"${OUTPUT}"MULTILINE=$(ls \ -1)echo"${
Two commands, `echo` and `who` are used in this example as the nested command. Here, `who` command will execute first that print the user’s information of the currently logged in user. The output of the `who` command will execute by `echo` command and the output of `echo` will st...
echo "The value of the variable 'name' is: $name": This line uses the "echo" command to print a message to the terminal. The message includes the text "The value of the variable 'name' is:" followed by the value of the 'name' variable. The variable's value is accessed using the...
nameref attribute)andvalueofany existing variablewiththe same name at a surrounding scope.Ifthereisno existing variable, the local variableisinitially unset. The following options can be usedtorestrict outputtovariableswiththe specified attributeortogive variables attributes: -aEachnameisan indexed array...
export MY_VARIABLE="Hello World" 创建一个Slurm脚本(例如,my_script.sh),并在脚本中使用该变量: 代码语言:txt 复制 #!/bin/bash #SBATCH --job-name=my_job #SBATCH --output=output.txt echo $MY_VARIABLE 在这个示例中,MY_VARIABLE是我们在bash环境中定义的变量。通过使用export命令,我们将其导出为环境...
Variable=$(command) You can also add additional text to support the command output as shown here: Variable="Optional text $(command)" Let me give you a simple example. Here, I have used the whoami command to find the currently logged-in user withthe echo command: ...
查阅 网页原文内容 on Command root# curl www.sina.com 保存/下载 指定URL的网页 on FileSystem/Disk 如果要把这个网页保存下来,可以使用-o参数(output),这就相当于使用wget命令了。 不带文件路径值时,默认下载到当前窗口所在的本地路径。 root# curl -o [Dir/文件名] www.sina.com 若想显示下载进度条,...
command1 command2 command3 done 或者 while [ condition ]; do command1 command...
# alias ls # command # shellcheck disable=SC1001 \ls绕过shell函数# function ls # command command lscommand命令 调用指定的指令并执行,命令执行时不查询shell函数。command命令只能够执行shell内部的命令。在后台运行命令这将运行给定命令并使其保持后台运行,即使终端或SSH连接中断后也是如此。但是会忽略所有输出...
cli.knack.cli: Command arguments: ['storage', 'account', 'create', '--name', 'msdocssa00000000', '--resource-group', 'msdocs-rg-test', '--location', 'eastus', '--sku', 'Standard_RAGRS', '--kind', 'StorageV2', '--output', 'json', '--debug'] ... cli.azure.cli.core...