LZW compression: Difference between revisions
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$$$= '"There is nothing permanent except change." ─── Heraclitus [540 ── 475 BCE]' |
$$$= '"There is nothing permanent except change." ─── Heraclitus [540 ── 475 BCE]' |
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parse arg text; if text='' then text= $$$ /*get an optional argument from the CL.*/ |
parse arg text; if text='' then text= $$$ /*get an optional argument from the CL.*/ |
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say 'original text=' |
say 'original text=' text /* [↑] Not specified? Then use default*/ |
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cypher= LZWc(text) /*compress text using the LZW algorithm*/ |
cypher= LZWc(text) /*compress text using the LZW algorithm*/ |
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say 'reconstituted=' LZWd(cypher) /*display the reconstituted string. */ |
say 'reconstituted=' LZWd(cypher) /*display the reconstituted string. */ |
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