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| function! Group(char) | |
| " open blank line on top of file and jump back | |
| execute "normal! ggO\<Esc>\<C-O>" | |
| " save current position | |
| let p = getpos('.') | |
| " from this line downward move all lines matching the pattern to top of file | |
| .,$g//m0 | |
| " select all lines matching the pattern | |
| normal! vip | |
| " redirect output to standard register | |
| redir @"> | |
| " count lines, words, bytes | |
| execute "normal! g\<C-G>" | |
| " stop redirecting output | |
| redir END | |
| " paste redirected output to top of file (includes blank line above) | |
| execute "normal! \<Esc>ggO\<C-R>\"\<Esc>" | |
| " find Lines/Words/Bytes in message | |
| execute "normal! F" . a:char | |
| " reduce message to something like "3547 Bytes" | |
| " append search pattern and first example line, separated by literal tabs | |
| execute "normal! 3bd0wd2weCs \<C-V>\<Tab>\<C-R>/ \<C-V>\<Tab>\<Esc>J" | |
| " delete all other lines matching the pattern | |
| silent normal! }d3Gggdd | |
| " restore cursor position | |
| call setpos('.', p) | |
| endfunction | |
| " count lines/words/bytes | |
| nnoremap <silent> <leader>l :call Group('L')<CR> | |
| nnoremap <silent> <leader>w :call Group('W')<CR> | |
| nnoremap <silent> <leader>b :call Group('B')<CR> |
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Preparation: Put this code into your vimrc. If you can't, put this file anywhere, then inside Vim call
:source group.vim.Usage: In Vim search for a pattern you want to group by, put your cursor on the line of the first match (or above, because it only groups from the cursor line downwards), then type
\l,\wor\bto group all lines matching this pattern into a single line starting with the number total number of lines, words or bytes of all lines matching the pattern. The line will also contain the search pattern and the first example from the file, all separated by tabs.Repeat this process with different patterns until all lines have been matched by one pattern. Now you can just sort all lines numerically (type
!ipsort -nr) and you see which pattern used the most lines, words or bytes.For easier navigation I'd suggest to put a blank line at the top of the file before starting. That might make it easier to spot where the raw data starts below the already grouped lines.