How to Iterate Over Arguments in a Bash Script

Bash scripting allows us to handle multiple arguments in a flexible way, and iterating over arguments is a common task when writing command-line scripts. This is especially useful when handling filenames or values passed to a script. Here’s a practical guide on various methods to loop over arguments, ensuring compatibility with arguments containing spaces or special characters.

Using "$@" to Handle All Arguments

To iterate over each argument passed to the script while preserving spaces and special characters, use "$@". This is the preferred method, as it treats each argument as a separate element, even if it contains spaces.

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