RosettaCodeData/Task/Run-length-encoding/00-TASK.txt

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;Task:
Given a string containing uppercase characters (A-Z), compress repeated 'runs' of the same character by storing the length of that run, and provide a function to reverse the compression.
The output can be anything, as long as you can recreate the input with it.
;Example:
: Input: <code>WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW</code>
: Output: <code>12W1B12W3B24W1B14W</code>
Note: the encoding step in the above example is the same as a step of the [[Look-and-say sequence]].
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