Dropbox sync example

sync.sh

#!/usr/bin/env bash

readonly TOKEN=YOUR_APP_TOKEN
readonly DIR=/YOUR_DIR_PATH

FILE=$1

BASENAME=$(basename $FILE)

if [ -f "$FILE" ]; then
    # upload file to dropbox
    CMD="upload $DIR/$BASENAME"
    HTTP_CODE=$(curl -X POST -sL -w "%{http_code}" --output /dev/null https://content.dropboxapi.com/2/files/upload \
        --header "Authorization: Bearer $TOKEN" \
        --header "Dropbox-API-Arg: {\"path\": \"$DIR/$BASENAME\",\"mode\": \"add\",\"autorename\": true,\"mute\": false,\"strict_conflict\": false}" \
        --header "Content-Type: application/octet-stream" \
        --data-binary @$FILE)
else
    # delete file from dropbox
    CMD="delete $DIR/$BASENAME"
    HTTP_CODE=$(curl -X POST -sL -w "%{http_code}" --output /dev/null https://api.dropboxapi.com/2/files/delete_v2 \
        --header "Authorization: Bearer $TOKEN" \
        --header "Content-Type: application/json" \
        --data "{\"path\": \"$DIR/$BASENAME\"}")
fi

echo $CMD
echo "Response code => $HTTP_CODE"