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@ -1253,17 +1253,17 @@ We prefer the use of builtins such as the *Parameter Expansion*
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functions in `bash(1)` as it's more robust and portable
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(especially when compared to things like `sed`).
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Example:
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Examples:
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```shell
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# Prefer this:
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addition=$(( ${X} + ${Y} ))
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addition=$(( X + Y ))
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substitution="${string/#foo/bar}"
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```
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```shell
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# Instead of this:
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addition="$(expr ${X} + ${Y})"
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addition="$(expr "${X}" + "${Y}")"
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substitution="$(echo "${string}" | sed -e 's/^foo/bar/')"
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```
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