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To store the output of a command in a variable, you can use the shell command substitution feature in the forms below: variable_name=$(command) variable_name=$(command [option ...] arg1 arg2 ...) OR variable_name='command' variable_name='command [option ...] arg1 arg2 ...'

Saving the output of a command as a variable is achieved through command substitution. Command substitution is a wrapper that executes the command in a subshell environment, and replaces the wrapped command with the standard output of the environment in which the command was run.

How can I set a variable to the output of a command in Bash? You need to use command substitution feature of bash. It allows you to run a shell command and store its output to a bash variable.

echo a variable containing new line You can store a string in a bash variable and then echo it using the '-e' flag.

run() function executes the specified command, and the capture_output=True argument captures the command's output. The text=True an argument ensures the output is returned as a string. Finally, we strip any leading or trailing whitespace from the output and return it as a variable.

The Proper Way to Preserve Linebreaks The right way to use a variable is simple: quote the variable. This is because if we quote a variable, the shell will treat it as one single argument to the command, no matter if the variable contains linebreaks or not.

Saving command output to a file is a common task in Linux, and there are several ways to accomplish it. Using the “>” and “>>” operators and the “tee” command are some of the most common methods. By mastering these techniques, you can save time and increase your productivity when working with the Linux command line.