[Emacs] Key Sequence and Describe
備忘，查詢用。
主要是整理自以前中研院的一份 pdf 檔，不過，現在好像 google 不到了？
| Chapter 2 Emacs on-line help | |
|---|---|
| 2.3 Ctrl-h Prefix | |
| C-h c | describe-key-briefly |
| C-h k | describe-key |
| C-h w | where-is |
| C-h a | apropos-command |
| C-h v | describe-variable |
| C-h i | info |
| Chapter 4 About the Emacs | |
| 4.2 Exiting Emacs | |
| C-x C-c | save-buffers-kill-emacs |
| 4.4 Buffers and Windows | |
| M-x recovery-file | 'recovery-file' |
| C-h v | describe-variable |
| M-x set-variable | 'set-variable' |
| C-x b | switch-to-buffer |
| C-x k | 'kill-buffer' |
| C-x C-b | list-buffers |
| M-x buffer-menu | 'buffer-menu' |
| C-x 0 | delete-window |
| C-x 1 | delete-other-windows |
| C-x 2 | split-window-vertically |
| C-x 3 | split-window-horizontally |
| C-x o | other-window |
| C-x ^ | enlarge-window |
| C-x } | enlarge-window-horizontally |
| C-l | recenter |
| Chapter 5 Basic Emacs Editing Commands | |
| 5.1 Loading/Saving File | |
| M-x | execute-extended-command |
| C-x C-f | find-file |
| C-x i | insert-file |
| M-x pwd | 'pwd' |
| C-x C-s | save-buffer |
| C-x C-w | write-file |
| C-x s | save-some-buffers |
| 5.2 Emacs Basic Editing Command | |
| M-x overwrite-mode | 'overwrite-mode' |
| C-q | quoted-insert |
| C-j | newline-and-indent |
| C-f | forward-char |
| C-b | backward-char |
| M-f | forward-word |
| M-b | backward-word |
| C-a | move-beginning-of-line |
| C-e | move-end-of-line |
| C-n | next-line |
| C-p | previous-line |
| C-v | scroll-up |
| M-v | scroll-down |
| C-x < | scroll-left |
| C-x > | scroll-right |
| M-< | beginning-of-buffer |
| M-> | end-of-buffer |
| C-x [ | backward-page |
| C-x ] | forward-page |
| C-x C-p | mark-page |
| M-x goto-char | 'goto-char' |
| M-x goto-line | 'goto-line' |
| C-u | universal-argument |
| M-x what-page | 'what-page' |
| C-x l | count-lines-page |
| M-x what-line | 'what-line' |
| C-x = | what-cursor-position |
| M-= | count-lines-region |
| M-x line-number-mode | 'line-number-mode' |
| C-x u | advertised-undo |
| C-d / <del> | delete-char |
| DEL / | delete-backward-char |
| M-\ | delete-horizontal-space |
| M-SPC | just-one-space |
| M-d | kill-word |
| M-DEL | backward-kill-word |
| C-k | kill-line |
| C-x C-o | delete-blank-lines |
| 5.3 Yanking | |
| C-y | yank |
| M-y | yank-pop |
| 5.4 Marking Text | |
| C-@ | set-mark-command |
| C-SPC | set-mark-command |
| C-x C-x | exchange-point-and-mark |
| C-x C-p | mark-page |
| C-w | kill-region |
| C-x r s | copy-to-register |
| C-x C-l | downcase-region |
| C-x C-u | upcase-region |
| 5.5 Moving Text and Copying Text | |
| C-x k | kill-buffer |
| M-w | kill-ring-save |
| C-x r d | delete-rectangle |
| C-x r k | kill-rectangle |
| C-x r y | yank-rectangle |
| C-x r o | open-rectangle |
| M-x clear-rectangle | 'clear-rectangle' |
| M-x string-rectangle | 'string-rectangle' |
| 5.6 Undoing Change | |
| C-x u | advertised-undo |
| C-/ | undo |
| C-_ | undo |
| Chapter 6 Advanced Emacs Editing Commands | |
| 6.1 Searching Text | |
| C-s | isearch-forward |
| C-r | isearch-backward |
| C-g | keyboard-quit |
| C-M-s / | isearch-forward-regexp |
| C-M-r / | isearch-backward-regexp |
| 6.2 Replacing Text | |
| M-x replace-string | 'replace-string' |
| M-x replace-regexp | 'replace-regexp' |
| M-x query-replace | 'query-replace' |
| M-x query-replace-regexp | 'query-replace-regexp' |
| 6.3 Regular Expression | |
| . | 代表除了newline外的任一個字元 |
| * | 字元重複的次數，從0次到無限多次 |
| + | 字元重複的次數，從1次到無限多次 |
| ? | 字元重複的次數，不是0次就是1次 |
| [...] | 字集 |
| [^...] | ^出現在字集的第一個字元，表示以下皆非的意思 |
| [.-.] | 簡化範圍性的字集的表示法 |
| ^ | 表示列首 |
| $ | 表示列尾 |
| \ | 跳脫字元 |
| \| | 表示選擇的用法 |
| \(...\) | 將範圍規範出來，並置入緩衝區 |
| \d | d表數字。把緩衝區的內容取出來 |
| \< | 尋找word的開頭 |
| \> | 尋找word的結尾 |
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