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How to run a Silent Command in vimscript?
First we run a silent !clearcommand, which should clear the screen without a Press ENTER…prompt. This will make sure we only see the output of this run, which is helpful when you’re running the same commands over and over. The next line uses our old friend executeto build a command dynamically. The command it builds will look something like this:
How to run Vim with a second string?
The system() Vim function takes a command string as a parameter and returns the output of that command as a String. You can pass a second string as an argument to system() . Run the following command:
When to use the grep operator in Vim?
Now try the mapping when your cursor is over something like foo-bar. Vim will grep for foo-barinstead of just part of the word. There’s still a problem with our search term: if there are any special shell characters in it Vim will happily pass them along to the external grep command, which will explode (or worse: do something terrible).
Where do I find the lscommand in Vim?
You should see the output of the lscommand at the bottom of your screen. If you run :messagesyou’ll see it there too. The system()Vim function takes a command string as a parameter and returns the output of that command as a String. You can pass a second string as an argument to system().
How to execute a shell command in Vim?
:command! -nargs=1 Silent execute ‘:silent !’. | execute ‘:redraw!’ Now, you can use the new Vim command to run a shell command (note: without ! and with capital S ): But Vim needs a way to find out when the process has completed, and how, so let’s use a marker file:
When to delegate to external commands in Vim?
Instead of trying to cram all the functionality you could ever want inside the editor itself, the right way to use Vim is to delegate to external commands when appropriate. Let’s add some interaction with the Potion compiler to our plugin to get our feet wet with external commands in Vim.