How to make vim automatically write the fixed comment at beginning?

Question

Everytime I create a new python file by Vim, I need to type #!/usr/bin/env python. So I intended to let Vim do it for me. However, I just know a little about vimscript and I just try a little bit which I don't think it will work and right, it does not work.

:autocmd FileType python i#!/usr/bin/env python<esc>

Can anybody help me to implement this use case?

romainl · Accepted Answer · 2017-11-18 13:16:43Z

2

FileType is not the right event; use BufNewFile instead.
You are using a normal mode command, i#!/usr/bin/env python<esc> where you should use an ex command. Something like:
```
0put='#!/usr/bin/env python'
```
or:
```
normal I#!/usr/bin/env python
```

Here is a working solution that also puts the cursor below your shebang:

augroup myTemplates
    autocmd!
    autocmd BufNewFile *.py silent 0put='#!/usr/bin/env python'|2
augroup END

NOTE: the Vim documentation has a short section devoted to that topic, see `:help template'.

answered Nov 18, 2017 at 13:16

romainl

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