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advent-of-code-ocr: Parse Advent of Code ASCII art letters

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OCR letter recognition for Advent of Code puzzles, compatible with all puzzles from 2015 to 2019. Also comes with a handy command line utility to parse the ASCII art directly from stdin.

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Versions [RSS] 0.1.0.0, 0.1.1.0, 0.1.2.0, 0.1.2.1
Change log CHANGELOG.md
Dependencies advent-of-code-ocr, base (>=4.7 && <5), containers, data-default-class, heredoc, optparse-applicative, template-haskell, th-lift, th-lift-instances [details]
License BSD-3-Clause
Copyright 2020 Justin Le
Author Justin Le
Maintainer justin@jle.im
Category Text
Home page https://github.com/mstksg/advent-of-code-ocr#readme
Bug tracker https://github.com/mstksg/advent-of-code-ocr/issues
Source repo head: git clone https://github.com/mstksg/advent-of-code-ocr
Uploaded by jle at 2020-11-25T05:14:39Z
Distributions NixOS:0.1.2.1
Executables advent-of-code-ocr
Downloads 628 total (24 in the last 30 days)
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Status Docs available [build log]
Last success reported on 2020-11-25 [all 1 reports]

Readme for advent-of-code-ocr-0.1.0.0

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advent-of-code-ocr

"OCR" letter recognition for Advent of Code puzzles, compatible with all puzzles from 2015 to 2019. Also comes with a handy command line utility to parse the ASCII art directly from stdin:

$ cat abc.txt
.##..###...##.
#..#.#..#.#..#
#..#.###..#...
####.#..#.#...
#..#.#..#.#..#
#..#.###...##.
$ cat abc.txt | advent-of-code-ocr
ABC

Installation

To use as a library, add advent-of-code-ocr as a hackage dependency like you would any other.

To use as an executable:

# using stack
stack install advent-of-code-ocr
# using cabal
cabal install advent-of-code-ocr
# from source
git clone https://github.com/mstksg/advent-of-code-ocr
cd advent-of-code-ocr
cabal install     # or stack install

Compatibility

Should be compatible with all challenges from 2015 to 2019. However, I have only tested it with:

  • 2016 Day 8
  • 2018 Day 10
  • 2019 Day 8
  • 2019 Day 11

And it is possible I have missed some. If you notice any I am missing, please let me know!