This is the 6th post of my post series on nifty Nvim/Vim techniques that will make my editing experience easier.
<SNR> number?#When we use a script local function (see :h script-local) in mapping with the
following form
nnoremap <leader><space> :call <SID>some_function()<cr>Vim will replace with followed by a number and an Underscore, like
this: <SNR>12_some_function(). The number is the order the script
containing the function is sourced by Vim. To find the script, use the command
:scriptnames, which will print the path of different scripts in the order of
being sourced by Vim.
The Vim plugin scriptease provides a
command :Scriptnames which will show all the sourced script and their index
in a quickfix window for better inspection.
When you run a source file, if something goes wrong, you may see a stack trace
of error lines. You may want to jump to the specific lines in that file. If you
are in command line, you can use nvim +{NUM} test.py to open file test.py and go the line NUM, for example:
# open test.py and go to 10th line
nvim +10 test.pyIf you are already in Neovim and want to open a file and go to a particular
line, you can use :e or :edit command:
:h :edit and :h +cmd.If you have used a command, how do you repeat that command without typing
it again in the command line? You can just press @: (see :h @:).
When we select some characters in visual mode, we want to know exactly how many
characters are selected. This can be achieved by pressing g followed by
Ctrl-G. The info about selected texts will be print on the command line:
Selected 1 of 42 lines: 1 of 306 Words; 6 of 2015 characters; 18 of 2027 bytes
When the output of a terminal pipe is a file name and you follow it with nvim
command, nvim will interpret the filename as text and put the texts in an
unnamed buffer.
If you want to open the corresponding file instead, you may use xargs:
find ~ -type f -name "init.vim" -print |xargs nvimOr you can use the bash $ expansion like the following:
nvim $(find ~ -type f -name "init.vim" -print)When we set the option wildmenu (set wildmenu), we can cycle between the
completion items in the command line using Tab. For example, when we
use :edit command to open files, we can use Tab to select which
file to edit. But how do we confirm what we want to go to a subdirectory to do
further completions?
According to the documentation of wildmenu, we can press the ↓ key
to confirm a selection or go to the subdirectory if current selection is a
directory. BTW, you can press ↑ key to go to parent directory.
Pressing ← and → will cycle backward and forward the
completion items, just like what Ctrl-P and Ctrl-N does.
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