voicevox2wav.bash

#!/bin/bash

COMMANDS=(nkf curl)
for COMMAND in "${COMMANDS[@]}"
do
  type "${COMMAND}" > /dev/null 2>&1 || {
     echo "${COMMAND} are required." 1>&2
     exit 1
  }
done

nc -w 1 -v 127.0.0.1 50021 < /dev/null > /dev/null 2>&1 || {
  echo "can't connect VOICEVOX ENGINE."
  exit 1
}

if [ $# == 0 ]; then
  echo "$0 TEXT [SPEAKER]"
  exit
fi

text=$(echo "$1" | nkf -WwMQ | sed 's/=$//g' | tr "=" "%" | tr -d '\n')
body="$(curl -s -X 'POST' -d '' -H 'accept: application/json' "http://127.0.0.1:50021/audio_query?text=$text&speaker=${2}")"
curl -s -X 'POST' "http://127.0.0.1:50021/synthesis?speaker=${2:-0}" -H 'accept: audio/wav' -H 'Content-Type: application/json' -d "$body" || {
  echo audio output error. 1>&2
  exit 1
}