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#+TITLE: Vim Tips 2015-03-17
#+DESCRIPTION: First vim tip post of a series of unknown size
#+TAGS: Vim
#+TAGS: Tips and Tricks
#+TAGS: Editors
#+DATE: 2015-03-17
#+SLUG: vim-tips-2015-03-17
#+LINK: vim-wiki-folding http://vim.wikia.com/wiki/Folding
#+LINK: vim-wiki-ranges http://vim.wikia.com/wiki/Ranges
#+LINK: zzapper-vim-tips http://zzapper.co.uk/vimtips.html
#+BEGIN_PREVIEW
This is the start of a series of posts about better Vim usage. It's yet to be
determined how often and how frequent this will run, but expect more than just
this first post.
#+END_PREVIEW
** Folds
When using manual folding, creating a fold in Vim is as easy as one command:
In normal mode, ~zf<movement>~.
For example, while in Java code and on a Method opening curly brace, type
~zf%~.
And a fold is now created around that method. You can toggle it open and
closed with ~za~, you can also open it with ~zo~ and you can close it with
~zc~.
Similarly, to remove a fold created by ~zf~, use ~zd<movement>~ to remove
folds.
From the above example, while in normal mode, typing ~zd%~ will remove the fold
for the method's block.
For more information about folding and the other modes, visit the
[[vim-wiki-folding][Vim wiki page]] on folding.
** Substitution Range
Here are some more explicit examples of the range options provided when doing
substitutions:
To substitute the first occurrence of the pattern in the current line:
#+BEGIN_EXAMPLE sed
:s/foo/bar
#+END_EXAMPLE
All occurrences:
#+BEGIN_EXAMPLE sed
:s/foo/bar/g
#+END_EXAMPLE
Entire file, first occurrence:
#+BEGIN_EXAMPLE sed
:%s/foo/bar/
#+END_EXAMPLE
Entire file, all occurrences:
#+BEGIN_EXAMPLE sed
:%s/foo/bar/g
#+END_EXAMPLE
Now for something completely different, specific ranges:
#+BEGIN_EXAMPLE
:<starting line>,<ending line>s/foo/bar[/g]
#+END_EXAMPLE
End today's kicker: changing from a line to the end of the file:
#+BEGIN_EXAMPLE
:<start>,$s/foo/bar[/g]
#+END_EXAMPLE
Visit [[vim-wiki-ranges][Vim Ranges]] to view more information about the ranges
available in Vim.
** References
- [[zzapper-vim-tips][Vim Tips]]
- [[vim-wiki-folding][Vim Wikia: Folding]]
- [[vim-wiki-ranges][Vim Wikia: Ranges]]
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