Web Reference: 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. Embedded newlines are not deleted, but they may be removed during word splitting. 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. Command substitution is one of the vital features that you can leverage within shell scripting to make your scripts more dynamic and functional. It allows the output of a shell command to be captured and substituted in another command, or used as a value in a variable.
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Bash Scripting Class Command Substitution Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $75M - $104M
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Last Updated: April 10, 2026
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