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let s:paths = [
\ $HOME.'/.fortunes',
\ $HOME.'/.local/share/games/fortunes',
\]
let s:executables = [
\ 'fortune',
\ 'timeout',
\]
function! s:Highlight() abort
highlight Fortune
\ term=NONE
\ cterm=NONE ctermfg=244 ctermbg=NONE
\ gui=NONE guifg=#585858 guibg=NONE
endfunction
augroup fortune
autocmd!
autocmd ColorScheme *
\ call s:Highlight()
augroup END
doautocmd fortune ColorScheme
function! fortune#() abort
for executable in s:executables
if !executable(executable)
echoerr 'Missing executable "'.executable.'"'
endif
endfor
let limit = &columns - 1
let command = [
\ 'timeout',
\ '0.3s',
\ 'fortune',
\ '-s',
\ '-n',
\ limit,
\]
for path in s:paths
if isdirectory(path)
call add(command, path)
break
endif
endfor
let fortune = substitute(
\ system(join(command)),
\ '[[:cntrl:][:space:]]\+',
\ ' ',
\ 'g',
\)
echohl Fortune
echo fortune
echohl None
endfunction
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