zippysync_funcs

# /bin/bash
# Script to Batch Download ZippyShare Links

# Dependancy Check at Include
export DEP_LIST='bc curl wget'
type $DEP_LIST >/dev/null 2>&1
if [[ "$?" == "1" ]]
then
	printf "These Functions Require $DEP_LIST & other GNU Core Utils. Please Install Them. Exiting..\n"
	unset DEP_LIST
	return 1
fi
unset DEP_LIST

# Functions
parse_and_download() {
export ORI=$1
export URL="$(echo $ORI | cut -d "/" -f3)"
export PR_STR="$(echo $ORI | cut -d "/" -f5)"
export ORI_SRC="$(curl -Ss "https://$URL/v/$PR_STR/file.html" | grep dlbutton\'\).href)"
export F_LINK="https://$URL/d/$PR_STR/$(echo "0 $(echo $ORI_SRC | cut -d "\"" -f3) 0" | bc)$(echo $ORI_SRC | cut -d "\"" -f4)"
wget -c "$F_LINK"
export WGET_RET_CODE=$?
unset ORI URL PR_STR ORI_SRC F_LINK
return
}

zippy_link_sync() {
if [[ -z "$1" ]]
then
	printf "Command Requires File Links\n"
else
	export NUM_LINKS=$#
	export NUM_CUR_LINK=1
	while true
	do
		if [[ -z "$1" ]]
		then
			break
		else
			if [[ ! -z "$WGET_RET_CODE" ]]
			then
				unset WGET_RET_CODE
			fi

			parse_and_download "$1"

			if [[ "$WGET_RET_CODE" -gt "3" ]]
			then
				sleep 120
				parse_and_download "$1"
			fi

			# Retry Only Once
			if [[ "$WGET_RET_CODE" -gt "3" ]]
			then
				printf "\n [$NUM_CUR_LINK/$NUM_LINKS] $1 Failed \n\n"
				break
			fi

			printf "\n [$NUM_CUR_LINK/$NUM_LINKS] $1 Download Complete \n\n"
		fi
	shift 1
	export NUM_CUR_LINK=$(($NUM_CUR_LINK + 1))
	done
fi
unset NUM_LINKS NUM_CUR_LINK
return
}

zippy_sync() {
if [[ ! -f "$1" ]]
then
	printf "Command Requires A File Containing Links\n"
else
	unset LINK_CHAIN
	# Parse Links
	while IFS='' read -ru 25 ln || [[ -n "$ln" ]]
	do
		if [[ "$(echo $ln | grep -oe 'zippyshare.com/v/' -oe 'file.html' | wc -l)" == "2" ]]
		then
			LINK_CHAIN="$LINK_CHAIN $(echo $ln | tr -d [:blank:])"
		fi
	done 25<$1

	# Sync The Files
	zippy_link_sync $LINK_CHAIN
	unset LINK_CHAIN
fi
return
}