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ThevimEditor(ch6)

IT244-Introduc8ontoLinux/UnixInstructor:BoSheng

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What’s vim•  vi iMproved•  Text editor– Scripts– Codes (C, Java, HTML)– Configure files and short notes

– No format

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Get Started•  Starting vim– vim practice

– Emergency exit•  ESC, then “:q!”

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Command and Input Modes

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Command and Input Modes•  Command mode example– :set number

•  Enter input mode– i / a : insert / append

•  Back to command mode (ESC)•  Save the file and quit– ZZ

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Moving the Cursor•  In command mode– Space, enter– Arrow keys– h, j, k, l

•  In input mode– Arrow keys

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Edit Text•  Delete text–  In command mode•  x: delete a character•  dw: delete a word•  dd: delete a line

–  In input mode•  backspace

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Edit Text•  Add text–  In command mode•  i: insert (at the current cursor)•  a: append (precede the current cursor)•  o/O: open a new line (below/above)

•  Undo and redo–  In command mode•  u •  :redo

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Edit Text•  Work buffer– Your editing is not automatically saved

•  Readonly mode– view filename– vim -R filename

•  Write to disk– :w [filename]

•  Quit (:q)

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More about Moving the Cursor•  Space, Enter, {h,j,k,l}•  Search for a character in a line– f/F – fc, fa, Fc – Repeat the last search: ;

•  Moving by words– w/W, b/B

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More about Moving the Cursor•  Moving by words

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More about Moving the Cursor•  Moving by lines–  j/k, up arrow/down arrow– Enter/-

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More about Moving the Cursor•  Moving by sentences/paragraphs– ) , ( , } , {

•  Moving within the screen– H/M/L: top/middle/bottom line

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More about Moving the Cursor

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More about Moving the Cursor•  Page down/up– CTRL+D / CTRL+U (half screen)– CTRL+F / CTRL+B (full screen)

•  Line numbers– :set number – #G

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Input Mode•  Insert text– i/I , a/A, o/O

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Delete Text•  Table 6-1 (Pg 181)– dw, d3w – d0, d$ – d), d(, d4), d{, d} – dd, 5dd, dL – d (enter), D

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Change Text•  Table 6-2 (Pg 182)– cw, c3w – c0, c$ – c), c(, c4), c{, c} – cc, 5cc, cL

•  Change case– ~, 5~

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Search and Replace•  Search for a character– f/F, t/T, ; – 2ft – d2ft

•  Search for a string– /, ? – Search ‘/’ and ‘?’ – No string argument, n/N

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Copy and Move Text•  Yank (y)– y (enter), Y, yy – Copy text into a General-Purpose buffer

•  Put (p/P)– Copy text from the General-Purpose buffer– Deleted text is also in the General-Purpose

buffer

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Read and Write Files•  Exit (zz)•  Read files– [address]:r [filename] – :r hello

•  Write to files– [address]:w [filename] – :1,5w! – :w >> filename

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Execute Shell Commands in vim•  Spawn a new shell– :sh – ps -f – Return to vim: CTRL+D, exit

•  Directly execute– :!command – :!ls – !!cat hello

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Execute Shell Commands in vim•  Directly execute– Use parts of the file as standard input– vim months – :1,5!sort

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