obfuscated BooK <P>[Falkkin] is working on a <i>Java</i> Huffman encoder...</P> <P>Moved only by the will to serve, I propose him an example of what he could do if he did that in Perl... <tt>:-)</tt></P> <code>$"=$/=$_;map{$0{$_}++}split//,$_=<>;@0=map{[$_,$0{$_},$_]}keys%0; $/=1+1;until(@0==1){@0=sort{$$b[1]<=>$$a[1]}@0;$t=pop@0;$p=pop@0; push@0,[[$$t[0],$$p[0]],$$t[1]+$$p[1],$$t[$/].$$p[$/]];map{map{$t {$_}=$;%$/.$t{$_}}split//;$;++}$$t[$/],$$p[$/]}s/(.)/$t{$1}/gs;sub _{my$t=pop;if(ref$t){my@t=map{if(!ref$$t[$_]){1,unpack"b8",$$t[$_]} else{0,""}}0,1;"@t[0,$/,1]"._($$t[0])._($$t[1])."$t[-1]"}}print pack"sB*",length,_($0[0][0]).$_ </code> <P><font size="-1">(This was one of my "helpers" for OPC5)</font><BR> Corresponding [id://59888] to be posted soon.</P>