Bash
co-procesos

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Hola Mundo

# create the co-process
coproc bash

# send a command to it (echo a)
echo 'echo Hello World' >&"${COPROC[1]}"

# read a line from its output
read line <&"${COPROC[0]}"

# show the line
echo "$line"

La salida es "Hello World".



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