Run-length encoding: Difference between revisions
Added Arturo implementation
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Drkameleon (talk | contribs) (Added Arturo implementation) |
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WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW
true</pre>
=={{header|Arturo}}==
<lang rebol>runlengthEncode: function [s][
join map chunk split s => [&] 'x ->
(to :string size x) ++ first x
]
runlengthDecode: function [s][
result: new ""
loop (chunk split s 'x -> positive? size match x {/\d+/}) [a,b] ->
'result ++ repeat first b to :integer join to [:string] a
return result
]
str: "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
encoded: runlengthEncode str
print ["encoded:" encoded]
decoded: runlengthDecode encoded
print ["decoded:" decoded]
if decoded=str -> print "\nSuccess!"</lang>
{{out}}
<pre>encoded: 12W1B12W3B24W1B14W
decoded: WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW
Success!</pre>
=={{header|AutoHotkey}}==
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