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https://github.com/emojisum/emojisum.git
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113 lines
3.5 KiB
Markdown
113 lines
3.5 KiB
Markdown
# Emojisum
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[](https://travis-ci.org/emojisum/emojisum)
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:pray: :paperclip: Emoji that checksum! :tada: :poop:
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A curated list of 256 emojis that are not entirely similar.
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Using http://www.webpagefx.com/tools/emoji-cheat-sheet/ and http://www.unicode.org/emoji/charts/full-emoji-list.html to compare them.
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With 256 as that is 8bit/1byte, and the hexadecimal output that is 2 hex characters.
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So 2 hex positions are 1 emoji!
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Would you rather compare 60 hexadecimal characters or only 30 emoji?! :smiley_cat:
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## Specification
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For information on the draft for broader practice, see [the draft](./emoji/README.md).
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Perma-URL:
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- [Draft](https://github.com/emojisum/emojisum/blob/master/emoji/README.md)
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- [JSON doc](https://raw.githubusercontent.com/emojisum/emojisum/master/emoji/emojimap.json)
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## Tool
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### build
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```bash
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go get github.com/emojisum/emojisum
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```
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### usage
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This uses [`github.com/kyokomi/emoji`](https://github.com/kyokomi/emoji) to print to the console, but also gives the string ouptut for easy pasting to github/markdown.
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```bash
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$> emojisum main.go
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SHA1(main.go)= 14b09535217ca8f5f47f4665e2266e686f0728b4
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SHA1(main.go)= :bird::red_car::on::crystal_ball::calendar::lemon::pray::warning::violin::lollipop::facepunch::hearts::tm::children_crossing::hourglass::heavy_plus_sign::house::ant::clap::rocket:
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SHA1(main.go)= 🐦 🚗 🔛 🔮 📆 🍋 🙏 ⚠️🎻 🍭 👊 ♥️™️🚸 ⌛️➕ 🏠 🐜 👏 🚀
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```
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Like so!
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SHA1(main.go)= :bird::red_car::on::crystal_ball::calendar::lemon::pray::warning::violin::lollipop::facepunch::hearts::tm::children_crossing::hourglass::heavy_plus_sign::house::ant::clap::rocket:
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### pass in the checksums
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Rather than relying on this simple tool to do the checksum itself, you will likely want to rely on OpenSSL or coreutils for checksumming.
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`emojisum` can just take those formats on stdin:
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```bash
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$> sha1sum main.go | emojisum -pg
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7656835947b4c6da272023c56b6f2529511bf88b main.go
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:jp::gb::metal::goat::family::rocket::smiley_cat::swimmer::chocolate_bar::cactus::candy::smile::honeybee::house::cherries::cloud::fries::bow::wavy_dash::musical_score: main.go
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🇯🇵 🇬🇧 🤘 🐐 👪 🚀 😺 🏊 🍫 🌵 🍬 😄 🐝 🏠 🍒 ☁️🍟 🙇 〰️ 🎼 main.go
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```
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Like so:
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🇯🇵 🇬🇧 🤘 🐐 👪 🚀 😺 🏊 🍫 🌵 🍬 😄 🐝 🏠 🍒 ☁️🍟 🙇 〰️ 🎼 main.go
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```bash
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$> openssl sha1 main.go |emojisum -pb
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SHA1(main.go)= 7656835947b4c6da272023c56b6f2529511bf88b
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SHA1(main.go)= :jp::gb::metal::goat::family::rocket::smiley_cat::swimmer::chocolate_bar::cactus::candy::smile::honeybee::house::cherries::cloud::fries::bow::wavy_dash::musical_score:
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SHA1(main.go)= 🇯🇵 🇬🇧 🤘 🐐 👪 🚀 😺 🏊 🍫 🌵 🍬 😄 🐝 🏠 🍒 ☁️🍟 🙇 〰️ 🎼
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```
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And like so:
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SHA1(main.go)= 🇯🇵 🇬🇧 🤘 🐐 👪 🚀 😺 🏊 🍫 🌵 🍬 😄 🐝 🏠 🍒 ☁️🍟 🙇 〰️ 🎼
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## Library
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Use the golang library to access the mapped emoji words:
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```golang
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package main
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import (
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"fmt"
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"github.com/emojisum/emojisum/emoji"
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)
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func main() {
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for i := 0; i < 255; i++ {
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fmt.Printf("%d (%2.2x):\n", i, i)
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for _, word := range emoji.Map(byte(i)) {
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fmt.Printf(" - %s\n", emoji.CodepointToUnicode(word))
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}
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}
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}
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```
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## Contributed Implementations
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### Rust
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In `./contrib/emojisum-rs/` you'll find a rust library for emojisum.
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#### Build
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```shell
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cd ./contrib/emojisum-rs/
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cargo build
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```
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#### Test
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```shell
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cargo test
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```
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