How to write a shell script to back up data on VPS to a Dropbox network disk

< $TMP_DIR_CONTENT_FILE rm -fr $TMP_DIR_CONTENT_FILE #It's a file elif [[ $TYPE == "FILE" ]]; then #Checking DST if [[ $DST == "" ]]; then DST=$(basename "$SRC") fi #If the destination is a directory, the file will be download into if [[ -d $DST ]]; then DST="$DST/$SRC" fi db_download_file "$SRC" "$DST" #Doesn't exists else print " >

< "$TEMP_FILE" #Looking for the biggest file size #to calculate the padding to use local padding=0 while read -r line; do local FILE=${line%:*} local META=${line##*:} local SIZE=${META#*;} if [[ ${#SIZE} -gt $padding ]]; then padding=${#SIZE} fi done < "$RESPONSE_FILE" #For each entry, printing directories... while read -r line; do local FILE=${line%:*} local META=${line##*:} local TYPE=${META%;*} local SIZE=${META#*;} #Removing unneeded / FILE=${FILE##*/} if [[ $TYPE != "false" ]]; then FILE=$(echo -e "$FILE") $PRINTF " [D] %-${padding}s %s\n" "$SIZE" "$FILE" fi done < "$RESPONSE_FILE" #For each entry, printing files... while read -r line; do local FILE=${line%:*} local META=${line##*:} local TYPE=${META%;*} local SIZE=${META#*;} #Removing unneeded / FILE=${FILE##*/} if [[ $TYPE == "false" ]]; then FILE=$(echo -e "$FILE") $PRINTF " [F] %-${padding}s %s\n" "$SIZE" "$FILE" fi done < "$RESPONSE_FILE" #It's a file else print "FAILED: $DIR_DST is not a directory!\n" ERROR_STATUS=1 fi else print "FAILED\n" ERROR_STATUS=1 fi}#Share remote file#$1 = Remote filefunction db_share{ local FILE_DST=$(normalize_path "$1") $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" "$API_SHARES_URL/$ACCESS_LEVEL/$(urlencode "$FILE_DST")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&short_url=false" 2>

/ dev/null check_http_response # Check if grep-Q "^ HTTP/1.1 200 OK"$RESPONSE_FILE" Then print "> Share link:" echo $(sed-n's CONFIG_FILE. * "url": "\ ([^"] *\). * /\ 1else print "FAILED\ n" ERROR_STATUS=1 fi} # SETUP # CHECKING FOR AUTH FILEif [[- e $CONFIG_FILE]] Then # Loading data... And change old format config if necesary. Source "$CONFIG_FILE" 2 > / dev/null | | {sed-ibis' source CONFIG_FILE'& & source "$CONFIG_FILE" 2 > / dev/null} # Checking the loaded data if [[$APPKEY = "" | $APPSECRET = = "" | $OAUTH_ACCESS_TOKEN_SECRET = = "" | | $OAUTH_ACCESS_TOKEN = = "]] Then echo-ne "Error loading data from $CONFIG_FILE...\ n" echo-ne "It is recommended to run $0 unlink\ n" remove_temp_files exit 1 fi # Back compatibility with previous Dropbox Uploader versions if [[$ACCESS_LEVEL = = "]] Then ACCESS_LEVEL= "dropbox" fi#NEW SETUP...else echo-ne "\ n This is the first time you run this script.\ n\ n" echo-ne "1) Open the following URL in your Browser, and log in using your account: $APP_CREATE_URL\ n" echo-ne "2) Click on\" Create App\ ", then select\" Dropbox API app\ "\ n" echo-ne "3) Select\" Files and datastores\ "\ n" echo-ne "4) Now go on with the configuration Choosing the app permissions and access restrictions to your DropBox folder\ n "echo-ne" 5) Enter the\ "App Name\" that you prefer (e.g. MyUploader$RANDOM$RANDOM$RANDOM)\ n\ n "echo-ne" Now, click on the\ "Create App\" button.\ n\ n "echo-ne" When your new App is successfully created, please type the\ n "echo-ne" App Key, App Secret and the Permission type shown in the confirmation page:\ n\ n "# Getting the app key and secret from the user while (true) Do echo-n "# App key:" read APPKEY echo-n "# App secret:" read APPSECRET echo-n "# Permission type, App folder or Full Dropbox [a bank f]:" read ACCESS_LEVEL if [[$ACCESS_LEVEL = = "a"]] Then ACCESS_LEVEL= "sandbox ACCESS_MSG=" App Folder "else ACCESS_LEVEL=" dropbox "ACCESS_MSG=" Full Dropbox "fi echo-ne"\ n > App key is $APPKEY, App secret is $APPSECRET and Access level is $ACCESS_MSG. Looks ok? ]: "read answer if [[$answer = =" y "]]; then break; fi done # TOKEN REQUESTS echo-ne"\ n > Token request... "$CURL_BIN $CURL_ACCEPT_CERTIFICATES-s-- show-error-- globoff-I-o" $RESPONSE_FILE "--data" oauth_consumer_key=$APPKEY&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26&oauth_timestamp=$ (utime) & oauth_nonce=$RANDOM "$API_REQUEST_TOKEN_URL" 2 > / dev/null check_http_response OAUTH_TOKEN_SECRET=$ (sed-n's API_REQUEST_TOKEN_URL) 1 sed p' "$RESPONSE_FILE") OAUTH_TOKEN=$ (sed-n's OAUTH_TOKEN_SECRET. Authentic OAUTH_TOKEN_SECRET) if [[$OAUTH_TOKEN! = "& $OAUTH_TOKEN_SECRET! ="]] Then echo-ne "OK\ n" else echo-ne "FAILED\ n\ n Please, check your App key and secret...\ n\ n" remove_temp_files exit 1 fi while (true) Do # USER AUTH echo-ne "\ n Please open the following URL in your browser, and allow Dropbox Uploader\ n" echo-ne "to access your DropBox folder:\ n\ n-> ${API_USER_AUTH_URL}? oauth_token=$OAUTH_TOKEN\ n" echo-ne "\ nPress enter when done...\ n" read # API_ACCESS_TOKEN_URL echo-ne "> Access Token request... "$CURL_BIN $CURL_ACCEPT_CERTIFICATES-s-- show-error-- globoff-I-o" $RESPONSE_FILE "--data" oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26 $OAUTH_TOKEN_SECRET&oauth_timestamp=$ (utime) & oauth_nonce=$RANDOM "" $API_ACCESS_TOKEN_URL "2 > / dev/null check_http_response OAUTH_ACCESS_TOKEN_SECRET=$ (sed-n's sed Z Amurz 0-9] *\) &. * /\ 1Universe p' "$RESPONSE_FILE") OAUTH_ACCESS_TOKEN=$ (sed-n's RESPONSE_FILE) OAUTH_ACCESS_UID=$ (sed-n] *\) /\ 1RESPONSE_FILE p' "$RESPONSE_FILE") If [[$OAUTH_ACCESS_TOKEN! = "& & $OAUTH_ACCESS_TOKEN_SECRET! ="& & $OAUTH_ACCESS_UID! ="]] Then echo-ne "OK\ n" # Saving data in new format, compatible with source command. Echo "APPKEY=$APPKEY" > "$CONFIG_FILE" echo "APPSECRET=$APPSECRET" > > "$CONFIG_FILE" echo "ACCESS_LEVEL=$ACCESS_LEVEL" > > "$CONFIG_FILE" echo "OAUTH_ACCESS_TOKEN=$OAUTH_ACCESS_TOKEN" > > "$CONFIG_FILE" echo "OAUTH_ACCESS_TOKEN_SECRET=$OAUTH_ACCESS_TOKEN_SECRET" > > "$CONFIG_FILE" echo-ne "\ n Setup completed!\ n" break else print "FAILED\ n" ERROR_STATUS=1 fi done Remove_temp_files exit $ERROR_STATUSfi# START # COMMAND=$ {@: $OPTIND:1} ARG1=$ {@: $OPTIND+1:1} ARG2=$ {@: $OPTIND+2:1} let argnum=$#-$OPTIND#CHECKING PARAMS VALUEScase $COMMAND in upload) if [[$argnum-lt 2]]; then usage fi FILE_DST=$ {@: $#: 1} for