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What I am seeing here is you wanting the BASH "case" construct to work the same as the C "switch"---and several people telling you that it is different. Have you looked this up in the Advanced Bash Scripting Guide (ABS)? ...free at http://tldp.org
The case statement is inside a while loop which will be executed until the pattern is equal to a keyword (BREAK). At each matching condition the pattern is updated to the next one. In this way the test is repeated and the result is exactly what you're trying to get. Note that you can insert BREAK at any point in the case construct.
Another point to note. I think it is a new feature in the newer versions of bash. I'm sure this would not have been existing back in 2008. Though I dont have when this feature got into bash but I can say that bash-3.0 dint have it.