docker-minecraft-server/bin/mc-send-to-console

#!/bin/bash
. "/start-utils"
: "${CONSOLE_IN_NAMED_PIPE:=/tmp/minecraft-console-in}"

if [ $# = 0 ]; then
  echo "ERROR: pass console commands as arguments"
  exit 1
fi

if [ ! -p "${CONSOLE_IN_NAMED_PIPE}" ]; then
  echo "ERROR: named pipe ${CONSOLE_IN_NAMED_PIPE} is missing"
  exit 1
fi

if [ "$(id -u)" = 0 ]; then
  if [[ $(getDistro) == alpine ]]; then
    exec su-exec minecraft bash -c "echo '$*' > '${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}'"
  else
    exec gosu minecraft bash -c "echo '$*' > '${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}'"
  fi
else
  echo "$@" >"${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}"
fi