hoge

let g:P= vital#of('vital').import('ProcessManager')

if !g:P.is_available()
    throw 'omg'
endif

" ProcessManager intented to manage interactive processes, 
" thus sort prg isn't good example.
let g:p= g:P.new('erl')

echo g:P.read_wait(g:p, 4.0, ['>'])

let g:stat= g:P.status(g:p)
echo 'g:stat: '.g:stat

echo g:P.read(g:p, [])

let g:stat= g:P.status(g:p)
echo 'g:stat: '.g:stat

call g:P.writeln(g:p, 'e')
call g:P.writeln(g:p, 'd')
call g:P.writeln(g:p, 'c')
call g:P.writeln(g:p, 'b')
call g:P.writeln(g:p, 'a')
" call g:P.write(g:p, "\x1a")
" "\x04" vs '\x04', see :h expr-quote and :h expr-'
call g:P.write(g:p, "\x04")
" which one is eof character, "\x04" and "\x1a"?

call g:P.read_wait(g:p, 1.0, []) " ['', '', 'timedout']

let g:stat= g:P.status(g:p)
echo 'g:stat: '.g:stat
let g:stat= g:P.status(g:p)
echo 'g:stat: '.g:stat

call g:P.stop(g:p)
try
    let g:stat= g:P.status(g:p)
catch /ProcessManager/
    echo 'thrown'
endtry

" vim:ft=vim