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patmaddox/port_wrapper.sh

Created December 1, 2022 01:08
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elixir port wrapper
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port_wrapper.sh
# Start the program in the background
exec "$@" &
pid1=$!
# Silence warnings from here on
exec >/dev/null 2>&1
# Read from stdin in the background and
# kill running program when stdin closes
exec 0<&0 $(
while read; do :; done
kill -KILL $pid1
) &
pid2=$!
# Clean up
wait $pid1
ret=$?
kill -KILL $pid2
exit $ret
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