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Re:Card Trick Leads to New Bound on Data Compression (2010) by kerkeslager on Sunday August 17, 2014 @11:24AM (#8189561)
Yeah, I mean, if you ignore domain constraints, the following is a great compression algorithm:

    $infile = $ARGS[1]
    $outfile = $ARGS[2]
    touch $outfile
This was one of my favorite examples in Data Structures and Algorithms in college.
Re:Card Trick Leads to New Bound on Data Compression (2010) by colanderman on Sunday August 17, 2014 @01:25PM (#8189853)
Except that's not lossless like I qualified.