Web Reference: Jul 31, 2023 · In this article we discussed Bash Script - Command Substitution which is a useful trick that helps us take the result of one command and use it in another. We can store the command's output in a variable or use it directly in a new command. Bash performs command substitution by executing command in a subshell environment and replacing the command substitution with the standard output of the command, with any trailing newlines deleted. Nov 7, 2023 · Command substitution is an important feature that allows you to store the output of a command into a variable. Learn to use it.
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