File: subprocess.lua

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luxio 8-1
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#!../luxio-5.1

package.path = package.path .. ":../?.lua"
package.cpath = package.cpath .. ":../?.so"

sio = require "luxio.simple"
sp = require "luxio.subprocess"

mytr = sp.spawn_simple {
       "tr", "[a-z]", "[A-Z]",
       stdin = sp.PIPE,
       stdout = sp.PIPE,
}

mytr.stdin:write "Hello, world!\n"
mytr.stdin:close()

print(mytr.stdout:read "*a")

print(mytr:wait())