Kill an Erlang process by node name

kill-erlang-node.sh

#!/usr/bin/env bash

# Kill an Erlang process by node name
#
# e.g.: kill-erlang-node kred

# Check usage
if [ -z "$1" ]; then
  echo "Usage: `basename $0` NODE_NAME"
  exit 1
fi

# Fetch input parameters
NAME="$1"

# Kill the Erlang process corresponding to a given node name
port=`epmd -names | awk -v name=$NAME '$2==name {print $5}'`
if [ -z "$port" ]; then
  echo "ERROR: Node name not found: $NAME"
  exit 1
else
  pid=`lsof -i TCP:$port -s TCP:LISTEN | tail -n +2 | awk '{print $2}'`
  kill $pid
  exit 0
fi

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