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Which is an example of an autocommand in Vim?
Autocommands are a way to tell Vim to run certain commands whenever certain events happen. Let’s dive right into an example. Open a new file with :edit fooand close it right away with :quit. Look on your hard drive and you’ll notice that the file is not there.
Why does VIM not create a new file?
Open a new file with :edit fooand close it right away with :quit. Look on your hard drive and you’ll notice that the file is not there. This is because Vim doesn’t actually createthe file until you save it for the first time. Let’s change it so that Vim creates files as soon as you edit them.
How does autocmd-SourceForge work in Vim?
When the event is triggered and the command executed, it will run in the context of the scriptit was defined in. This matters if | | is used in a command. When executing the commands, the message from one command overwrites a previous message. This is different from when executing the commands manually.
What are the different types of events in Vim?
For READING FILES there are four kinds of events possible: BufNewFilestarting to edit a non-existent file BufReadPreBufReadPoststarting to edit an existing file FilterReadPreFilterReadPostread the temp file with filteroutput FileReadPreFileReadPostany other file read Vim uses only one of these four kinds when reading a file.
Why are pre and post events triggered in Vim?
The “Pre” and “Post” events are both triggered, before and after reading the file. Note that the autocommands for the *ReadPre events and all the Filter events are not allowed to change the current buffer (you will get an error message if this happens). This is to prevent the file to be read into the wrong buffer.
How to edit the current file in Vim?
ZQ Quit current file and exit (same as “:q!”). Editing a File :e[dit] Edit the current file. This is useful to re-edit the current file, when it has been changed outside of Vim. :e[dit]! Edit the current file always. Discard any changes to the current buffer. This is useful if you want to start all over again. :e[dit] {file} Edit {file}.
How can I substitute a match in Vim?
You can type: ‘y’ to substitute this match ‘n’ to skip this match to skip this match ‘a’ to substitute this and all remaining matches {not in Vi} ‘q’ to quit substituting {not in Vi} CTRL-E to scroll the screen up {not in Vi} CTRL-Y to scroll the screen down {not in Vi}.
Can you put a silent keyword in Vim?
But if you are executing a command from the vim command line. Then it’s kind of tricky. You may add keyword silent before your actually command. It will bring you back to the vim window automatically after the command has been executed.
How many times can I use a key map in Vim?
If you are using a key map then your life can be much easier by adding several more to the end of your command — but usually 2 times is well enough. But if you are executing a command from the vim command line. Then it’s kind of tricky.
How to set cmdheight to 2 in Vim?
It will bring you back to the vim window automatically after the command has been executed. But you still need to manually execute redraw as some of the windows like NERD_Tree need to be redrawn. Set ‘cmdheight’ to 2 or higher.