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![やさしい魔法の唱え方(2) モーション
? h, j, k, l
左, 下, 上, 右 (DDRと同じ！)
? w, b
1単語進む/戻る
? ^, $
行頭/行末に飛ぶ
? <Ctrl+f>, <Ctrl+b>, <Ctrl+d>, <Ctrl+u>
1ページ進む/戻る, 半ページ進む/戻る
? gg, G
ファイルの先頭/末尾行に飛ぶ
? f[文字]
指定した文字が次に現れる箇所まで飛ぶ
などなど…
@tokoro10g コンピュータ時代の詠唱魔法
11/17](https://image.slidesharecdn.com/presentation-180420084511/85/-16-320.jpg)
![やさしい魔法の唱え方(3) オペレータとモーション
基本構造: [回数] [オペレータ]
処理方法
[モーション]
処理対象
@tokoro10g コンピュータ時代の詠唱魔法
12/17](https://image.slidesharecdn.com/presentation-180420084511/85/-17-320.jpg)
![やさしい魔法の唱え方(3) オペレータとモーション
オペレータの例
? d: 削除 (delete)
? c: 削除した上でインサートモードに入る (change)
? y: コピー (yank)
実用例
? d$ : 行末まで削除
? cfy : つぎに‘y’が現れるところまでを変更
? 2cw = c2w : 2単語変更
? 2d3w : 6単語削除
? c4fy = 4cfy : ‘y’が4番目に現れるところまでを変更
? yi( : ()の中をコピー (少し特殊なモーション)
基本構造: [回数][オペレータ][モーション]
@tokoro10g コンピュータ時代の詠唱魔法
13/17](https://image.slidesharecdn.com/presentation-180420084511/85/-18-320.jpg)
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コンピュータ時代の詠唱魔法 #伝道師になろう 最終回
- 2. 自己紹介 @tokoro10g (ところたん) ? 工学系(制御理論)の博士後期課程1年 ? すき : ? 制御理論 ? Arch Linux, i3wm, Vim, STM32 ? 小さくて賢い 女の子 ロボット @tokoro10g コンピュータ時代の詠唱魔法 2/17
- 6. ではなぜ詠唱魔法か？ 出典: アニメ『聖剣使いの禁呪詠唱』第1話「転生せし者 -The Reincarnater-」より @tokoro10g コンピュータ時代の詠唱魔法 4/17
- 10. 現代における魔法 基本的に… ? ファンタジー創作の材料 ? 過去の遺物 などと捉えられがち @tokoro10g コンピュータ時代の詠唱魔法 7/17
- 11. 現代における魔法 基本的に… ? ファンタジー創作の材料 ? 過去の遺物 などと捉えられがち 実は… ? 詠唱魔法はコンピュータの世界で現役 ? みなさんも明日，いや今日から使える @tokoro10g コンピュータ時代の詠唱魔法 7/17
- 12. 現代における魔法 基本的に… ? ファンタジー創作の材料 ? 過去の遺物 などと捉えられがち 実は… ? 詠唱魔法はコンピュータの世界で現役 ? みなさんも明日，いや今日から使える 詠唱魔術師になろう！！ @tokoro10g コンピュータ時代の詠唱魔法 7/17
- 13. 使用するもの 1. Windows/Mac/Linux/その他諸々OSが動くコンピュータ 2. Vimというテキストエディタ Vimでは，魔法(キー操作の組み合わせ)を唱えることで テキストを編集する @tokoro10g コンピュータ時代の詠唱魔法 8/17
- 14. Vimでの魔法の一例 ? YP 行をコピーしてその上に貼り付け ? gg=G テキスト全体の行頭をいい感じに揃える ? V3j~ 下向きに4行選択して大文字?小文字を反転する ? V5"=range(1,5)<Enter>p 1?5の数字を1行ずつ出力するのを5回繰り返す ? "=range(543)<Ctrl+m>P:%normal VEEkdYo@0D@. <Crtl+o>@.<Ctrl+m>dZZ 素数を100個列挙する @tokoro10g コンピュータ時代の詠唱魔法 9/17
- 15. やさしい魔法の唱え方(1) モード ? ノーマルモード 基本となるモード ? インサートモード 文字列を入力するモード ? コマンドモード ノーマルよりも複雑なコマンドを実行するモード ? ビジュアルモード テキストを選択して処理するモード 基本はノーマルモード キー操作でモードを切り替えながら編集する @tokoro10g コンピュータ時代の詠唱魔法 10/17
- 16. やさしい魔法の唱え方(2) モーション ? h, j, k, l 左, 下, 上, 右 (DDRと同じ！) ? w, b 1単語進む/戻る ? ^, $ 行頭/行末に飛ぶ ? <Ctrl+f>, <Ctrl+b>, <Ctrl+d>, <Ctrl+u> 1ページ進む/戻る, 半ページ進む/戻る ? gg, G ファイルの先頭/末尾行に飛ぶ ? f[文字] 指定した文字が次に現れる箇所まで飛ぶ などなど… @tokoro10g コンピュータ時代の詠唱魔法 11/17
- 17. やさしい魔法の唱え方(3) オペレータとモーション 基本構造: [回数] [オペレータ] 処理方法 [モーション] 処理対象 @tokoro10g コンピュータ時代の詠唱魔法 12/17
- 18. やさしい魔法の唱え方(3) オペレータとモーション オペレータの例 ? d: 削除 (delete) ? c: 削除した上でインサートモードに入る (change) ? y: コピー (yank) 実用例 ? d$ : 行末まで削除 ? cfy : つぎに‘y’が現れるところまでを変更 ? 2cw = c2w : 2単語変更 ? 2d3w : 6単語削除 ? c4fy = 4cfy : ‘y’が4番目に現れるところまでを変更 ? yi( : ()の中をコピー (少し特殊なモーション) 基本構造: [回数][オペレータ][モーション] @tokoro10g コンピュータ時代の詠唱魔法 13/17
- 19. やさしい魔法の唱え方(4) 実際の例 詳しくは… Vimに付属のVimtutor(チュートリアル)を参照 @tokoro10g コンピュータ時代の詠唱魔法 14/17
- 20. そもそもなぜこんなものが生まれたのか？ - Vimの歴史 ed – the standard text editor (1969, Ken Thompson) ↓ ブラウン管ディスプレイの普及，機能強化 em – editor for mortals (1976, Charles Haley) ↓ 高速化 ex – extended (1976, Bill Joy) ↓ ビジュアルモードを分離 vi – visual editor ↓ 機能強化 Vim – Vi IMproved (1992, Bram Moolenaar) ↓ 現代的に再実装?機能強化 NeoVim (2015) @tokoro10g コンピュータ時代の詠唱魔法 15/17
- 21. 上級魔術師になろう - VimGolf 指定された入力文字列から出力文字列を作るゲーム． 詠唱の短さ(キーを押す回数の少なさ)を競う． @tokoro10g コンピュータ時代の詠唱魔法 16/17
- 22. 上級魔術師になろう - VimGolf 指定された入力文字列から出力文字列を作るゲーム． 詠唱の短さ(キーを押す回数の少なさ)を競う． ? わたしの解答 6GYp<C-a>l11<C-a>3joNew te<C-n>.<Enter><Esc>ZZ (24keys) ? トップの解答 Yp<C-a>l11.GONew te<C-n>.<Enter><Esc>ZZ (22keys) @tokoro10g コンピュータ時代の詠唱魔法 16/17
- 23. まとめ ? 詠唱魔法を感じながらコーディング/執筆ができるのは， Vimならではの特徴！ ? あなたも今日から詠唱魔術師になろう！ @tokoro10g コンピュータ時代の詠唱魔法 17/17