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README.md

huffman fun

This hacky Python script prints out the Huffman tree for the first block in a gzip file. it may or may not work, no guarantees.

It uses a program called infgen available from http://zlib.net/infgen.c.gz. The Makefile here will download and compile it for you, though!

To try this out on the included gzip file, run

$ make
$ ./infgen raven.txt.gz | python print_huffman_table.py

You should see output like this:

 ' ' 00000
 'a' 00001
 'e' 00010
 'i' 00011
 'n' 00100
 'o' 00101
 'r' 00110
 's' 00111
 't' 01000
'\n' 010010
 ',' 010011
 'b' 010100
 'c' 010101
 'd' 010110
 'f' 010111
 'h' 011000
 'l' 011001
 'm' 011010
 'p' 011011
 'u' 011100
 'g' 0111010
 'w' 0111011
 'y' 0111100
 "'" 01111010
 'I' 01111011
 'O' 01111100
 'S' 01111101
 'T' 01111110
 '`' 01111111
 'k' 10000000
 'v' 10000001
 '!' 100000100
 '-' 100000101
 '.' 100000110
 ';' 100000111
 'A' 100001000
 'B' 100001001
 'D' 100001010
 'F' 100001011
 'G' 100001100
 'M' 100001101
 'N' 100001110
 'P' 100001111
 'W' 100010000
 '"' 1000100010
 '?' 1000100011
 'C' 1000100100
 'E' 1000100101
 'L' 1000100110
 'q' 1000100111
 'H' 10001010000
 'Q' 10001010001
 'R' 10001010010
 'j' 10001010011
 'x' 10001010100

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Prints the Huffman table for a gzip file

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