Vim Running Terminal Command Automatically

Question

I am trying to write a command (in vim rc) that automatically creates a new split and starts a terminal (i.e by executing :Term) and then automatically executing some bash commands on that terminal (specifically 'conda activate')

This is how far I got:

command CustomTerminal execute "vsplit ." <bar> execute "Term"

How to I extended this command such that, it pipes and executes some bash commands on this terminal?

Ingo Karkat · Accepted Answer · 2019-11-15 12:32:32Z

1

I see the following issues with your command definition:

you don't need :execute here; also <Bar> is only needed in mappings
the vsplit . creates a directory listing; is that intended?
have you defined a custom :Term command? The build-in command to open a terminal is :terminal
:term performs a (horizontal) split on its own; its :help :terminal mentions

If you want to split the window vertically, use:
    :vertical terminal

The :terminal command accepts optional shell commands already. If that's what you need, you can easily extend your custom command to take and pass this argument:

:command -nargs=? CustomTerminal vertical terminal <args>

See :help :command-nargs and :help <args>.

Additionally, you can add :help :command-completion via -complete=shellcmd.

Keeping the terminal and feeding commands to it

If you want to run more than one command and then close the terminal, so to reuse a single terminal session, you have to follow :help terminal-to-job to send commands from Vim to the terminal (received by the interactive shell or whatever application currently is running). It looks like this:

call term_sendkeys(buf, "ls *.java\<CR>")

edited Nov 15, 2019 at 12:32

answered Nov 15, 2019 at 7:52

Ingo Karkat

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2 Comments

John Over a year ago

This doesnt work as, when the command gets executed then the terminal session is terminated. I want to execute a command (maybe multiple sequentially) on the terminal and then use it.

Ingo Karkat Over a year ago

Well, running a single command and then closing the terminal (you can always open another one) would be easier, but it's also possible to send keys from Vim to the terminal; see my edit. If you want to stick with a single command, that would have to distinguish between no existing terminal and reusing an existing one.

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