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created 2005 · complexity basic · author Ivan Tishchenko · version 5.7
I often use the following sequence of commands (
g/pattern/# lists each line containing pattern, with line numbers):
:g/pattern/# [Here I look through the list and choose the line I want.] [For example, if the line number is 123, I enter:] :123
I do it so often, that I decided to write the following command. It does the following.
Syntax is exactly as in :global except that you must NOT specify any commands after /pattern/. You may also use some other delimiter in place of "/", for example, ",".
It prints out numbered list of lines matching the /pattern/ (or not matching, if you add '!'). Then it allows you to enter the number of line you need and moves cursor to that line.
Here is the command.
command! -nargs=* -bang -range=% GJump <line1>,<line2>call GJump('<bang>',<q-args>) function! GJump(bang, rex) range abort let lines = '' let i=1 exe a:firstline ',' a:lastline 'g'.a:bang.a:rex.'echo substitute(strpart(i+1000000,1),"^0\\|\\(0\\@<=0\\)"," ","g") getline(".")|let i=i+1|let lines=lines.(line(".")+1000000)' if i==1 return endif while 1 let nmr = input('Type in selected number, or press Enter to exit: ') if nmr == "" return endif let nmr = nmr+0 " Make string be number. if nmr>0 && nmr<i break endif endwhile let nmr = strpart(lines,(nmr-1)*7,7) let nmr = nmr-1000000 silent exe nmr endfunction
This duplicates behavior of the
:ilist command, though I think your approach saves a keystroke or two.
The above will display every line that matches the pattern 'public' (all public methods, for example). The matching line's linenumber will be to the left of the displayed line. You can then type ':<linenumber><CR>' to go to the appropriate line.
You can abbreviate
:il so you could enter
:ilist searches the current file, and also all included files. This is not what I want, and is too slow.
Also, the tip makes selecting the wanted line a lot easier.
To put the output of :g/<re>/p or any Ex-command into a register, do the following:
:redir @a> | exe '<Ex-cmd that you want to capture output goes here>' | redir END
Now the output of the command is in register "a". Place in buffer where you want it with
The reason for wrapping the command in quotes and exe-ing it is because some commands, like
:global, see the following
| as part of the command, so the redirection doesn't behave properly. :help :redir :help :bar