sendgrid_email_with_attachment.sh

#!/bin/bash

# Email setup
SENDGRID_API_KEY="SG.xxxxxx"
FILENAME_ATTACH="bash test file"
FILENAME_ZIP="test.txt"
FILENAME_BASE64_TMP="test.txt"
EMAIL_TO="to@example.com"
EMAIL_SUBJECT="test bash file"
EMAIL_FROM="from@example.com"
EMAIL_MESSAGE="test bash file"

function email_exports()
{
  FILENAME_BASE64=$(base64 -w0 $FILENAME_ZIP);

  REQUEST_DATA='{"personalizations": [{
                        "to": [{ "email": "'"$EMAIL_TO"'" }],
                        "subject": "'"$EMAIL_SUBJECT"'"
                }],
                "from": {
                        "email": "'"$EMAIL_FROM"'"
                        },
                "content": [{
                        "type": "text/plain",
                        "value": "'"$EMAIL_MESSAGE"'"
                        }],
                "attachments": [{
                        "content": "'"$FILENAME_BASE64"'",
                        "filename": "'"$FILENAME_ATTACH"'"
                        }]
  }';

  # We need to store the base64 locally as the text
  # is too big for sending directly with curl
   echo $REQUEST_DATA > $FILENAME_BASE64_TMP

   curl -X "POST" "https://api.sendgrid.com/v3/mail/send" \
        -H "Authorization: Bearer $SENDGRID_API_KEY" \
        -H "Content-Type: application/json" \
        -d "@$FILENAME_BASE64_TMP";

   rm $FILENAME_BASE64_TMP
}

email_exports