fix .gitignore, Makefile and README.md for 2015/mills2
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@@ -1,30 +1,36 @@
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# Most Compact
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Chris Mills
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Twitter: @MisterXopher
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Chris Mills
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Twitter: @MisterXopher
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# To build:
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## Judges' comments:
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### To use:
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```sh
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make
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```
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make
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./prog compressed_file.Z
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### To run:
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```sh
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./prog compressed_file.Z
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```
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### Try:
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printf '000I\236\f\31H\260\240\301\203' > ioccc.Z
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./prog ioccc.Z
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```sh
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printf '000I\236\f\31H\260\240\301\203' > ioccc.Z
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./prog ioccc.Z
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dd bs=1k count=4096 < /dev/urandom > test1
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compress < test1 > test1.Z
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time ./prog test1.Z | cmp - test1
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dd bs=1k count=4096 < /dev/urandom > test1
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compress < test1 > test1.Z
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time ./prog test1.Z | cmp - test1
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dd bs=1k count=4096 < /dev/zero > test2
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compress < test2 > test2.Z
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time ./prog test2.Z | cmp - test2
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dd bs=1k count=4096 < /dev/zero > test2
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compress < test2 > test2.Z
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time ./prog test2.Z | cmp - test2
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```
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### Selected Judges Remarks:
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## Judges' comments:
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Without ASCII art, the source code of this entry would have been exactly 256 bytes.
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Compared to [1990/jaw](http://ioccc.org/years.html#1990_jaw), it is very impressive,
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@@ -34,8 +40,8 @@ using a similar idea.
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Why is the sad smiley on line 12 in that particular place?
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## Author's comments:
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The Program
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===========
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### The Program
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This program is in implementation of the unix `zcat(1)` command for printing
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compressed files that have been created by the `compress(1)` command.
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@@ -54,10 +60,12 @@ on the command line. On the odd chance you don't have `compress` hanging about
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on your system, I've provided compressed copies of this year's IOCCC rules
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and guidelines files. To print them, just do
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./prog ioccc_guidelines.txt.Z
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```sh
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./prog ioccc_guidelines.txt.Z
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./prog ioccc_rules.txt.Z
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```
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The Details
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-----------
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### The Details
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The basic cleverness here comes from realizing that the compressed data is
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itself an encoded version of the code dictionary. When the encoder sees
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@@ -92,8 +100,7 @@ Managing all the details involved added a lovely additional layer of
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obfuscation to the otherwise elegant recursive decoder. Still, the code
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manages it in a remarkably small amount of code.
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Limitations
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-----------
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### Limitations
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The decoder doesn't look at the header. If you supply something that is not
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compressed data, it's likely to crash in an interesting manner.
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@@ -120,12 +127,10 @@ pass in an alternate universe where the vax on which `compress` was authored
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had been big-endian. Luckily for us, it wasn't, and neither are most of the
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systems you might want to compile this for.
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## Copyright:
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--------------------------------------------------------------------------------
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<!--
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(c) Copyright 1984-2016, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
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This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
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[judges]: http://www.ioccc.org/judges.html
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[cc]: http://creativecommons.org/licenses/by-sa/3.0/
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-->
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