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208 lines
7.6 KiB
Plaintext
208 lines
7.6 KiB
Plaintext
# Basics
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C-x C-f "find" file i.e. open/create a file in buffer
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C-x C-s save the file
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C-x C-w write the text to an alternate name
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C-x C-v find alternate file
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C-x i insert file at cursor position
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C-x b create/switch buffers
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C-x C-b show buffer list
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C-x k kill buffer
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C-z suspend Emacs
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C-X C-c close down Emacs
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# Basic movement
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C-f forward char
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C-b backward char
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C-p previous line
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C-n next line
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M-f forward one word
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M-b backward one word
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C-a beginning of line
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C-e end of line
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C-v one page up
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M-v scroll down one page
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M-< beginning of text
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M-> end of text
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# Editing
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M-n repeat the following command n times
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C-u repeat the following command 4 times
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C-u n repeat n times
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C-d delete a char
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M-d delete word
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M-Del delete word backwards
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C-k kill line
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#
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C-Space Set beginning mark (for region marking for example)
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C-W "kill" (delete) the marked region
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M-W copy the marked region
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C-y "yank" (paste) the copied/killed region/line
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M-y yank earlier text (cycle through kill buffer)
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C-x C-x exchange cursor and mark
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#
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C-t transpose two chars
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M-t transpose two words
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C-x C-t transpose lines
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M-u make letters uppercase in word from cursor position to end
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M-c simply make first letter in word uppercase
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M-l opposite to M-u
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# Important
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C-g quit the running/entered command
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C-x u undo previous action
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M-x revert-buffer RETURN
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(insert like this) undo all changes since last save
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M-x recover-file RETURN
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Recover text from an autosave-file
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M-x recover-session RETURN
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if you edited several files
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# Online-Help
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C-h c which command does this keystroke invoke
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C-h k which command does this keystroke invoke and what does it do?
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C-h l what were my last 100 typed keys
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C-h w what key-combo does this command have?
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C-h f what does this function do
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C-h v what\'s this variable and what is it\'s value
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C-h b show all keycommands for this buffer
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C-h t start the Emacs tutorial
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C-h i start the info reader
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C-h C-k start up info reader and go to a certain key-combo point
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C-h F show the Emacs FAQ
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C-h p show info about the Elisp package on this machine
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# Search/Replace
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C-s Search forward
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C-r search backward
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C-g return to where search started (if you are still in search mode)
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M-% query replace
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#
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Space or y replace this occurrence
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Del or n don\'t replace
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. only replace this and exit (replace)
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, replace and pause (resume with Space or y)
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! replace all following occurrences
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^ back to previous match
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RETURN or q quit replace
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# Search/Replace with regular expressions
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# Characters to use in regular expressions:
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^ beginning of line
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$ end of line
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. single char
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.* group or null of chars
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\< beginning of a word
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\> end of a word
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[] every char inside the brackets (for example [a-z] means every small letter)
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#
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M C-s RETURN search for regular expression forward
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M C-r RETURN search for regular expression backward
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M C-s incremental search
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C-s repeat incremental search
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M C-r incremental search backwards
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C-r repeat backwards
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M-x query-replace-regexp
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search and replace
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# Window-Commands
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C-x 2 split window vertically
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C-x o change to other window
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C-x 0 delete window
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C-x 1 close all windows except the one the cursors in
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C-x ^ enlarge window
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M-x shrink-window
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command says it ;-)
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M C-v scroll other window
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C-x 4 f find file in other window
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C-x 4 o change to other window
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C-x 4 0 kill buffer and window
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C-x 5 2 make new frame
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C-x 5 f find file in other frame
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C-x 5 o change to other frame
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C-x 5 0 close this frame
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# Bookmark commands
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C-x r m set a bookmark at current cursor position
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C-x r b jump to bookmark
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M-x bookmark-rename
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M-x bookmark-delete
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M-x bookmark-save
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C-x r l list bookmarks
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#
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d mark bookmark for deletion
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r rename bookmark
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s save all listed bookmarks
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f show bookmark the cursor is over
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m mark bookmarks to be shown in multiple window
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v show marked bookmarks (or the one the cursor is over)
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t toggle listing of the corresponding paths
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w path to this file
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x delete marked bookmarks
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q quit bookmark list
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#
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M-x bookmark-write
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write all bookmarks in given file
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M-x bookmark-load
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load bookmark from given file
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# Shell
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M-x shell starts shell modus
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C-c C-c same as C-c under Unix (stop running job)
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C-d delete char forward
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C-c C-d Send EOF
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C-c C-z suspend job (C-z under Unix)
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M-p show previous commands
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# Text
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# Works only in text mode
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M-s center line
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M-S center paragraph
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M-x center-region
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# Programming
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M C-\ indent region between cursor and mark
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M-m move to first (non-space) char in this line
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M-^ attach this line to previous
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M-; formats and indent comment
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# C, C++ and Java Modes
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M-a beginning of statement
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M-e end of statement
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M C-a beginning of function
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M C-e end of function
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C-c RETURN Set cursor to beginning of function and mark at the end
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C-c C-q indent the whole function according to indention style
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C-c C-a toggle modus in which after electric signs (like {}:\';./*) Emacs does the indention
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C-c C-d toggle auto hungry mode in which Emacs deletes groups of spaces with one del-press
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C-c C-u go to beginning of this preprocessor statement
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C-c C-c comment out marked area
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# More general
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M-x outline-minor-mode
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collapses function definitions in a file to a mere {...}
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M-x show-subtree
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If you are in one of the collapsed functions, this expands it
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# In order to achieve some of the feats coming up,
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# now you have to run etags *.c *.h *.cpp
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# (or what ever ending you source files have) in the source directory
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M-. (Meta dot) If you are in a function call, this will take you to it\'s definition
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M-x tags-search ENTER
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Searches through all you etaged
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M-, (Meta comma) jumps to the next occurrence for tags-search
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M-x tags-query-replace yum.
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This lets you replace some text in all the tagged files
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# GDB (Debugger)
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M-x gdb starts up gdm in an extra window
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# Version Control
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C-x v d show all registered files in this dir
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C-x v = show diff between versions
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C-x v u remove all changes since last checkin
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C-x v ~ show certain version in different window
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C-x v l print log
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C-x v i mark file for version control add
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C-x v h insert version control header into file
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C-x v r check out named snapshot
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C-x v s create named snapshot
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C-x v a create changelog file in gnu-style
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