Added bash 4 requirement to the readme
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@ -2,9 +2,12 @@ wetness
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`wetness` is a `bash` script for checking a CSS file for duplicate properties.
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Just like [Ellie Kemper][BJ], the aim of this script is to help make it DRY.
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This script utilizes associative arrays in `bash` which requires version 4. OSX
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is still shipping with version 3.2 but you can upgrade to 4.2 with
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`brew install bash`.
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[BJ]: http://www.collegehumor.com/video/1183463/derrick-comedy-blowjob
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## Usage
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