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January 2025

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Command Substitution: Embedding Commands in Scripts

command substitution shell scripting embedding commands bash scripts unixlinux

Deep Dive into Command Substitution: Embedding Commands in Scripts 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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