vim-logrotate/ftplugin/logrotate.vim

vim9script
# Vim filetype plugin file
# Language: logrotate
#
if exists("b:did_ftplugin")
  finish
endif
b:did_ftplugin = 1

def LogrotateHelp(word: string)
    const searchcmd =<< trim END
        COLUMNS=80 man logrotate 2>/dev/null | 
        gawk '/^CONFIGURATION FILE DIRECTIVES/,/^SCRIPTS/' | gawk '
        /^ {7}%s/,/^[a-z]/ {
            if(firstLineDone) {
                if(/^ {0,7}[^ ]/ && !/endscript/)
                    exit
            }
            firstLineDone = 1
            print(substr($0, 8))
        }'
    END
    printf(join(searchcmd, "\n"), word)
        ->systemlist()
        ->popup_atcursor({ "padding": [0, 1, 1, 1] })
enddef

command -nargs=1 LogRt :call LogrotateHelp(<f-args>)

b:undo_ftplugin = "setlocal comments< commentstring< formatoptions< keywordprg<"

setlocal comments=:# commentstring=#\ %s formatoptions-=t formatoptions+=croql keywordprg=:LogRt