Peter Giannopoulos petergi

## Globally replace a string in Neovim.txt
:g/PETER/s//pete/g

"equivalent to:
:%s/PETER/pete/g

## Copy or Move lines X through Y after line Z in Neovim.md

      
              1 file
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                petergi
                / Copy or Move lines X through Y after line Z in Neovim.md
            
            
              Last active
              July 4, 2024 22:32
            
          
    :1,10co20       "copy lines 1 through 10 after line 20"
:4,15t$         "copy lines 4 through 15 to end of document (t == co)"
:-t$            "copy previous line to end of document"
:m0             "move current line to line 0 (i.e. the top of document)"
:.,+3m$-1 "move current line +3 subsequent to the last line -1 (i.e. next to last)"

  
## Fast delete of all lines matching a pattern in Neovim.md

      
              1 file
            
          
              0 forks
            
          
              0 comments
            
          
              0 stars
            
          
                petergi
                / Fast delete of all lines matching a pattern in Neovim.md
            
            
              Last active
              July 4, 2024 22:34
            
              
                When a line is deleted, it is first copied to a register—since no register is specified, the default (unnamed) register is used. If many thousands of lines are deleted, the copy process can take a significant time. To avoid that waste of time, the blackhole register (_) can be specified because any copy or cut into the blackhole register perform…
              
          
    :g/pattern/d \_

  
## Add text to the end of a line that begins with a certain string in Neovim.txt
:g/^pattern/s/$/mytext

## Reverse a file in Neovim.txt
:g/^/m0

## Comment lines containing "DEBUG" statements in a C program using Neovim.txt
" using :normal
g/^\\s\*DEBUG/exe "norm! I/\* \\<Esc>A \*/\\<Esc>"

" using :substituting
g/^\\s\*DEBUG/s!.\*!/\* & \*/!

## Double space a file in Neovim.txt
:g/^/pu =\\"\\n\\"

" Alternative (:put inserts nothing from the blackhole register)

:g/^/pu \_

## Delete all blank lines in Neovim.txt
:g/^\\s\*$/d

## Delete all lines that do not match a pattern in Neovim.txt
:g!/pattern/d

:v/pattern/d

## Delete all lines matching a pattern in Neovim.txt
:g/pattern/d
	" using :normal
	g/^\\s\DEBUG/exe "norm! I/\ \\<Esc>A \*/\\<Esc>"

	" using :substituting
	g/^\\s\DEBUG/s!.\!/\* & \*/!
	:g/^/pu =\\"\\n\\"

	" Alternative (:put inserts nothing from the blackhole register)

	:g/^/pu \_