get text to speech as files from gcloud

gcloudTTS.sh

#!/bin/bash
# supply a string of text to be encoded
# e.g. ./getGcloudTTs.sh $(cat speech.txt)


timestamp=`date +"%s"`
outputfilename=audio_${timestamp}.mp3

data()
{
	cat <<EOF
{
    'input':{
     'ssml':"<speak>$*</speak>"
    },
    'voice':{
      'languageCode':'en-gb',
      'name':'en-GB-Standard-A',
      'ssmlGender':'FEMALE'
    },
    'audioConfig':{
      'audioEncoding':'MP3'
    }
  }
EOF
}

curl  -H "Authorization: Bearer $(gcloud auth print-access-token)" \
	-H "Content-Type: application/json; charset=utf-8" --data "$(data $*)" \
   "https://texttospeech.googleapis.com/v1/text:synthesize" > /tmp/synthesize-ssml.txt

  cat /tmp/synthesize-ssml.txt | grep 'audioContent' | \
sed 's|audioContent| |' | tr -d '\n ":{},' > /tmp/tmp.txt && \
base64 /tmp/tmp.txt --decode > /home/steev/gcloudTTS/${outputfilename} && \
rm /tmp/tmp.txt
#cat /tmp/synthesize-ssml.txt

vlc file:///home/steev/gcloudTTS/${outputfilename}