Web Reference: In your ~/.bashrc file after you define the function, add export -f functionname. echo "Hello, $1!" export -f hello. Then the function will be available at the shell prompt and also in other scripts that you call from there. Nov 18, 2025 · The basic syntax for defining a function in shell scripting is: // body of the function. The function_name can be any valid string and the body can be any sequence of valid statements in the scripting language. The body of the function can include any sequence of valid shell commands or statements. Sep 12, 2013 · You can either write your shell function definitions directly in your ~/.bashrc file, or, if you have lots of them and don't want to clutter your ~/.bashrc file, you can put them all in another file of your choosing -- just be sure to source that file in your ~/.bashrc file.
YouTube Excerpt: The objective of this exercise is to understand how to create and
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