gdrive_dl.sh

#!/bin/bash

#do we wanna limit bandwidth? pass argument BW:limit (ie: BW:10)
if [[ "$1" == "BW:"* ]]; then
	NEWBW=`echo $1|cut -d: -f2`
	if [ "$NEWBW" != "" ]; then
		BW="--limit-rate=${NEWBW}k"
		echo using bw limit ${NEWBW}
	fi
	shift
fi


if [ "$2" == "" ]; then
	echo $0 gdrive_id output_file
	exit
fi

# trap ctrl-c and call ctrl_c() (so we can ctrl-c with the temp file and still have things function properly)
trap ctrl_c INT

function ctrl_c() {
        #echo "** Trapped CTRL-C, so the rest of the script after wget executes (so partial content gets used next time)"
		WANT_EXIT=1
}

G_ID=$1
HASH=`echo ${G_ID}|md5sum -|cut -d\  -f1`
TMPFILE=${HASH}.tmp
OUTFILE=$2
COOKIEFILE=/tmp/${HASH}.cookies
WANT_EXIT=0

#resume download to temp file (using temp in case we get some weird html page back.. dont wanna ruin real data)
#inf loop and check if ctrl-c was pressed, or completed, etc
#uses temp file because google returning that html/text page can mess up the download
while :
do
	if [ "$WANT_EXIT" == "1" ]; then
		exit
	fi

	CONFIRM=`wget -U "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36" --quiet --save-cookies /tmp/${HASH}.cookies --keep-session-cookies --no-check-certificate "https://docs.google.com/uc?export=download&id=$G_ID" -O- | sed -rn 's/.*confirm=([0-9A-Za-z_]+).*/\1\n/p'` 1>/dev/null 2>&-
	#had html overwrite on one time... so this can help in case it happens
	if [ -f "${OUTFILE}" ]; then
		rm -f ${TMPFILE}
		cp -f ${OUTFILE} ${TMPFILE}
	fi

	wget -t 9999 -c $BW -U "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36" --load-cookies /tmp/${HASH}.cookies "https://docs.google.com/uc?export=download&confirm=$CONFIRM&id=$G_ID" -O ${TMPFILE} 2>&1 | tee ${HASH}.log
	rm -rf /tmp/${HASH}.cookies
	echo "********************************"

	#google sometimes returns some confirmation page as text/html..its a failure..dont let it mess up our operation
	BAD=`grep "text/html" ${HASH}.log`
	#416 means no more range available.. means we have the entire file
	SURE=`grep "416 R" ${HASH}.log`
	#forbidden is when the confirmation above for cookies expires... 
	FORBIDDEN=`grep Forbid ${HASH}.log`
	#if not bad...
	if [ "$BAD" == "" ]; then
		#and temp file exists...
		if [ -f "$TMPFILE" ]; then
			#and outfile exists..
			if [ -f "${OUTFILE}" ]; then
				#remove outfile backup if its there (this was mainly during dev, maybe not needed anymore)
				rm -f ${OUTFILE}.backup
				#and make backup... (i haven thad any errors since i started checking for BAD/SURE/FORBIDDEN)
				mv ${OUTFILE} ${OUTFILE}.backup
			fi
			
			#move temp file to real output file
			mv ${TMPFILE} ${OUTFILE}
			
			#forbidden can happen after several retries.. so we want to do temp file replacing beore restarting
			if [ "$FORBIDDEN" != "" ]; then
				#forbidden = restart loop w new cookies
				continue
			fi

			#if we received 416.. its the full file... we can exit
			if [ "$SURE" != "" ]; then
				echo "completed"
				rm -f ${OUTFILE}.backup
				rm -f ${HASH}.log
				exit
			fi
		fi
	fi
done

Thanks! It worked for me :)