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#!/usr/bin/env lua

require "ex"

assert(arg[1], "need a command name")

print"io.pipe()"

local i, o = assert(io.pipe())

print("got", i, o)

print"os.spawn()"

local t = {command = arg[1], stdin = i}

print(t.stdin)

local proc = assert(os.spawn(t))

print"i:close()"

i:close()

print"o:write()"

o:write("Hello\nWorld\n")

print"o:close()"

o:close()

print"proc:wait()"

print("exit status:", assert(proc:wait()))