added the percentage option

functions.sh

@@ -18,6 +18,39 @@
 #                           FUNCTIONS
 #=================================================================================================================================
 
+# workout the values based on percentage at which to send/show notice
+function setPercentage () {
+	# get price if not already set
+	get_Price
+	# get the price value
+	local value="${CurrencyPair[${Currency}${Target}]}"
+	# check that we have a value
+	if [ "${value}" != "null" ]; then
+		# new value
+		COINnewValue="${Currency}${Target}	$value"
+		# check if we have price set before
+		COINlineNr=$( awk "/${Currency}${Target}/{ print NR; exit }" "$COINvaluePath" )
+		re='^[0-9]+$'
+		# Update coin value keeper
+		if ! [[ $COINlineNr =~ $re ]] ; then
+			# set the price for the first time and send notice
+			echo "${COINnewValue}" >> "$COINvaluePath"
+		else
+			# set updater
+			COINupdate=1
+			# old price found
+			COINoldValue=$(sed -n "${COINlineNr}p" <  "$COINvaluePath")
+			# get the keys
+			IFS=$'	'
+			local oldArray=( $COINoldValue )
+			# set the value
+			value="${oldArray[1]}"
+		fi
+		# set the above below values
+		setAboveBelowValues "${value}"
+	fi
+}
+
 # run with the advance field options
 function runFactory () {
 	# array of repos
@@ -110,7 +143,7 @@ function getActiveCurrencyTarget () {
 	# get price if not already set
 	get_Price
 	# get the price value
-	value="${CurrencyPair[${Currency}${Target}]}"
+	local value="${CurrencyPair[${Currency}${Target}]}"
 	# check that we have a value
 	if [ "${value}" != "null" ]; then
 		# set send key
@@ -202,11 +235,42 @@ function preform () {
 	then
 		# set message since we are above target value
 		setMessage "$target_type" "$current_value" "$target_value"
+		# if we run percentage we must update local coin value watcher
+		if (( "$COINupdate" == 1 )); then
+			# update the old price
+			sed -i "${COINlineNr}s/$COINoldValue/$COINnewValue/" "$COINvaluePath"
+		fi
 	else
 		echoTweak "${Currency} not ${target_type} ${target_value}${Target} at this time!"
 	fi
 }
 
+# set the above and below value based on percentage
+function setAboveBelowValues () {
+	# set Args
+	local value="$1"
+	# get the percent
+	local percent=$(echo "scale=20; $Percentage/100*$value" | bc)
+	# check if this is already set
+	if (( "$COINupdate" == 0 )); then
+		# adapt
+		local perFirst=$(echo "$Percentage*2" | bc)
+		# get the percent
+		local centFirst=$(echo "scale=20; $perFirst/100*$value" | bc)
+		# ajust value
+		value=$(echo "scale=20; $centFirst - $value" | bc | awk ' sub("\\.*0+$","") ')
+	fi
+	# get above value
+	TargetAboveValue=$(echo "scale=20; $percent + $value" | bc | awk ' sub("\\.*0+$","") ')
+	# get below value
+	TargetBelowValue=$(echo "scale=20; $value - $percent" | bc | awk ' sub("\\.*0+$","") ')
+	# set the switches
+	TargetBelow=1
+	BelowValue=1
+	TargetAbove=1
+	AboveValue=1
+}
+
 # set message
 function setMessage () {
 	# set Args

getPrice.sh

@@ -32,6 +32,10 @@ function main () {
 		# run the factory
 		runFactory
 	else
+		# if Percentage is active update above and below based on history
+		if (( "$PercentSwitch" == 1 )); then
+			setPercentage
+		fi
 		# run basic price get
 		runBasicGet
 	fi
@@ -62,7 +66,8 @@ Getting Coin Value in Fiat Currency at set price
 		1 = once per/hour
 		2 = everyTime (default)
 		3 = only once
-   -v Value (above or below) at which to send/send notice
+   -p The percentage up or down at which to send/show notice
+   -v Value (above or below) at which to send/show notice
 		example: 17000 or 14000,15000
    -A Value Above at which to send notice
 		example: 17000 or 19000,18000
@@ -101,7 +106,7 @@ exit 1
 # http://mywiki.wooledge.org/BashFAQ/035
 # http://wiki.bash-hackers.org/howto/getopts_tutorial
 
-while getopts hc:C:o:v:B:A:baqtT:sS:M:lf:I:k opt; do
+while getopts hc:C:o:v:B:A:baqtT:sS:M:lf:I:kp: opt; do
 	case $opt in
 	I)
 		if (( "$OPTARG" == 2 )); then
@@ -124,6 +129,10 @@ while getopts hc:C:o:v:B:A:baqtT:sS:M:lf:I:k opt; do
 	o)
 		sendSwitch=$OPTARG
 	;;
+	p)
+		Percentage=$OPTARG
+		PercentSwitch=1
+	;;
 	v)
 		TargetValue=$OPTARG
 		TargetAll=1
@@ -131,10 +140,12 @@ while getopts hc:C:o:v:B:A:baqtT:sS:M:lf:I:k opt; do
 	B)
 		TargetBelowValue=$OPTARG
 		TargetBelow=1
+		BelowValue=1
 	;;
 	A)
 		TargetAboveValue=$OPTARG
 		TargetAbove=1
+		AboveValue=1
 	;;
 	b)
 		BelowValue=1
@@ -207,7 +218,7 @@ done
 # set call ID
 CALL_ID=$(echo -n "${API_target}${smsID}${smstoID}${TelegramID}" | md5sum | sed 's/ .*$//')
 
-# BUILD Cointracker file per/API
+# BUILD Cointracker file per/API (user)
 COINTracker="${VDMHOME}/.cointracker_${CALL_ID}"
 # make sure the tracker file is set
 if [ ! -f "$COINTracker" ] 
@@ -215,5 +226,15 @@ then
 	> "$COINTracker"
 fi
 
+# only set if we have percentage
+if (( "$PercentSwitch" == 1 )); then
+	# BUILD Coin value tracker file per/API (user)
+	COINvaluePath="${VDMHOME}/.coinvalue_${CALL_ID}"
+	# make sure the tracker file is set
+	if [ ! -f "$COINvaluePath" ] 
+	then
+		> "$COINvaluePath"
+	fi
+fi
 # Run the script
 main

main.sh

@@ -27,6 +27,7 @@ command -v curl >/dev/null 2>&1 || { echo >&2 "We require curl for this script t
 command -v bc >/dev/null 2>&1 || { echo >&2 "We require bc for this script to run, but it's not installed.  Aborting."; exit 1; }
 command -v sed >/dev/null 2>&1 || { echo >&2 "We require sed for this script to run, but it's not installed.  Aborting."; exit 1; }
 command -v md5sum >/dev/null 2>&1 || { echo >&2 "We require md5sum for this script to run, but it's not installed.  Aborting."; exit 1; }
+command -v awk >/dev/null 2>&1 || { echo >&2 "We require awk for this script to run, but it's not installed.  Aborting."; exit 1; }
 
 # load notify
 . "$DIR/functions.sh"
@@ -51,6 +52,8 @@ TargetBelow=0
 TargetAbove=0
 BelowValue=0
 AboveValue=0
+Percentage=0
+PercentSwitch=0
 
 # message settings
 send=0
@@ -72,6 +75,13 @@ API_cex="https://cex.io/api/last_price/" # (default)
 API_shapeshift="https://shapeshift.io/rate/"
 FilePath=''
 
+# percentage values
+COINvaluePath="null"
+COINnewValue="null"
+COINoldValue="null"
+COINlineNr="null"
+COINupdate=0
+
 # Some Messages arrays
 declare -A CurrencyPair
 declare -A aboveMessages