C-style arithmetic for loop

bash

for ((i=0; i<5; i++)); do echo "$i"; done

Explanation

Helpful for counters and indexed arrays.

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Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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Iterate over a list or glob.

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Read input line by line safely.

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Run loop until command succeeds.

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Skip or exit loop iterations.

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Create a numbered shell menu.

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Use arithmetic context for integer comparisons.

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