vim command

Here I summarized vim commands that are used frequently for development.

• How to move cursor to the location in history

  command	Description
  CTRL + o	move to cursor to previous location in history
  CTRL + I	move to cursor to next location in history

• How to use system’s clipboard
  • "* and “+ registers are for the system’s clipboard
    • ex) “+yy, “+3yy, “+p, “*p
  • http://vim.wikia.com/wiki/Copy,_cut_and_paste

• How to use vim registers
  • ex) “ayy, “ap, :reg

• bookmark
  • in one file : m+[a~z]
  • move to bookmark : ‘ + [a~z]
  • in multiple files : m+[A~Z]
  • move to bookmark : ‘+[A~Z]
  • http://vim.wikia.com/wiki/Using_marks

• How to search for “a or b” in the current file. ‘\c’ means ignore case.

   :vimgrep /\ca\|b/ <CTRL-R><SHIFT-%>
  

• How to search two words(“a” and “b”) in either order in the current file. ‘\c’ means ignore case.

   :vimgrep /\c.*a\&.*b/ <CTRL-R><SHIFT-%>
  

  • reference
    • https://vim.fandom.com/wiki/Search_patterns

• How to show each buffer in a tab on gvim.

   :tab ball
  

• How to switch between tabs on gvim.

    In normal mode
    gt  //next tab
    gT  //Previous tab
    3gt //go to 3rd tab
  
    In command mode
    :tabfirst>
    :tabnext
    :tabprev
    :tablast
    :tabnext
    :tabm
    :tabclose
    :tabnew
  

• how to show trailing whitespace.(assuming you use :set hlsearch)

  :/\s\+$
  

  • $ matches the end of a line or string.
  • \s matches whitespace character.
  • + matches the preceding pattern element one or more times.

• how to delete any trailing whitespace at the end of each line.

  :%s/\s\+$//g
  

  • reference
    • https://vim.fandom.com/wiki/Remove_unwanted_spaces

• how to delete ^M in a file(^M is Ctrl + v + m)

   :set ffs=unix
   :e!                   // reload
   :%s/^M//g             // ^M = ctrl + v + m
  

• how to delete ^M for multiple files(^M is Ctrl + v + m)

    $ find ./ -iname * -exec dos2unix {} \;
  

• how to delete trailing whitespaces for multiple files

    $ find . -type f -name '*.txt' -exec sed --in-place 's/[[:space:]]\+$//' {} \;
  

• how to compare 2 directories in vim

   :DirDiff folder_1 folder_2
  

• how to compare 2 directory lists with vimdiff

   $ vimdiff <(cd android-4.0.1_r1; find . | sort) <(cd android-4.0.2_r1; find . | sort)