My Dumb Roasting Script

#!/usr/bin/env sh

COFFEEDIR="$HOME/Documents/coffeeroasts"

echo "Coffee country of origin?"; read origin
mkdir -p "$COFFEEDIR/$origin"

filecount=$(ls "$COFFEEDIR/$origin" | wc -l | xargs)

start_timer()
{
	terms="xterm konsole gnome-terminal xfce4-terminal mate-terminal rxvt urxvt xterm-256color"
	if [ $(command -v xterm) ]; then
		xterm -e sh ./timer.sh &
	elif [ $(command -v gnome-terminal) ]; then
		gnome-terminal -- sh ./timer.sh &
	fi
}

seconds_to_ts()
{
	TIME=$1
	if [ $(uname | grep -c "BSD") -eq 1 ]; then
		date -u -r $TIME +%T
	elif [ $(uname) = "Linux" ]; then
		date -d @${TIME} +%T
	fi
}

configure_roast()
{
	echo "What is the coffee's name?"; read coffeename
	dirname=$(echo $coffeename | sed 's/ /_/g')
	roastdir="$COFFEEDIR/$origin/$dirname"
	mkdir -p "$roastdir"
}

write_details()
{
	START="$1"
	DETAILS="$2"
	FILE="$3"

	#timefromstart=$(($(date +%s) - $START))
	timefromstart=$(expr $(date +%s) - $START)
	#printtime=$(date -u -r $timefromstart +%T)
	printtime=$(seconds_to_ts $timefromstart)
	echo "$printtime $DETAILS"
	echo "$printtime $DETAILS" >> "$FILE"
}


calculate_phases()
{
	START="$1"
	ROASTFILE="$2"

	drop=$(grep "TAG:DROP" "$ROASTFILE" | awk '{print $3}')
	#roasttotal=$((($drop - $START)))
	roasttotal=$(expr $drop - $START)

	drystart=$(grep "TAG:DRY" "$ROASTFILE" | awk '{print $3}')
	#drytime=$((($drystart - $START)))
	drytime=$(expr $drystart - $START)
	drypercent=$(echo $(echo "scale=2; $drytime/$roasttotal" | bc -l)*100 | bc)

	onecrackstart=$(grep "TAG:1CSTART" "$ROASTFILE" | awk '{print $3}')
	#browningtotal=$((($onecrackstart - $drystart)))
	browningtotal=$(expr $onecrackstart - $drystart)
	browningpercent=$(echo $(echo "scale=2; $browningtotal/$roasttotal" | bc -l)*100 | bc)

	#developtotal=$((($drop - $onecrackstart)))
	developtotal=$(expr $drop - $onecrackstart)
	developpercent=$(echo $(echo "scale=2; $developtotal/$roasttotal" | bc -l)*100 | bc)

	echo "Roast complete at $(date +%T) in $(seconds_to_ts $roasttotal) minutes"
	echo "Roast complete at $(date +%T) in $(seconds_to_ts $roasttotal) minutes" >> "$ROASTFILE"
	echo "Dry time: $(seconds_to_ts $drytime)\t\t\tDry time percent: $drypercent"
	echo "Dry time: $(seconds_to_ts $drytime)\t\t\tDry time percent: $drypercent" >> "$ROASTFILE"
	echo "Caramelization time: $(seconds_to_ts $browningtotal)\t\tCaramelization percent: $browningpercent"
	echo "Caramelization time: $(seconds_to_ts $browningtotal)\t\tCaramelization percent: $browningpercent" >> "$ROASTFILE"
	echo "Develop time: $(seconds_to_ts $developtotal)\t\t\tDevelop percent: $developpercent"
	echo "Develop time: $(seconds_to_ts $developtotal)\t\t\tDevelop percent: $developpercent" >> "$ROASTFILE"

}

if [ $filecount -eq 0 ]; then
	configure_roast
else
	ls "$COFFEEDIR/$origin" | nl
	echo "Are you roasting any of these? Pick the number or any other key for no"; read pickroast
	dirname=$(ls "$COFFEEDIR/$origin" | nl | grep " $pickroast" | awk '{print $2}')
	if [ -z "$dirname" ]; then
		configure_roast
	else
		roastdir="$COFFEEDIR/$origin/$dirname"
	fi
fi



start=$(date +%F)
roastfile="$roastdir/$start.txt"
touch "$roastfile"

echo "Batch size?" ; read batchsize
echo "Batch weight $batchsize" >> "$roastfile"

echo "Press any key to start the roast timer"; read x
startepoch=$(date +%s)
#xtimer &
start_timer
timer_pid=$!

echo "Enter 1 to note end of drying phase"
echo "Enter 2 to note start of 1 crack"
echo "Enter 3 to note end of roast"
echo "Enter q to exit the program entirely"

while read detail; do
	case "$detail" in
		q)
			break
			exit
			;;
		1)
			write_details $startepoch "TAG:DRY $(date +%s)" "$roastfile"
			continue
			;;
		2)
			write_details $startepoch "TAG:1CSTART $(date +%s)" "$roastfile"
			continue
			;;
		3)
			write_details $startepoch "TAG:DROP $(date +%s)" "$roastfile"
			break
			;;
		*)
			write_details $startepoch "$detail" "$roastfile"
			continue
			;;
	esac
done

calculate_phases $startepoch "$roastfile"
#pkill xtimer
if [ -z $timer_pid ]; then
	pkill timer.sh
else
	kill $timer_pid
fi

echo "Final roast size?" ; read finalbatchsize

echo "Drop weight: $finalbatchsize" >> "$roastfile"

startbatchnum=$(echo $batchsize | sed 's/g//g')
endbatchnum=$(echo $finalbatchsize | sed 's/g//g')
percentloss=$(echo "100*(1-($endbatchnum/$startbatchnum))" | bc -l)
printf "Weight percent loss: %.2f\n" $percentloss >> "$roastfile"

grep "TEMP" "$roastfile" | awk '{print $1" " $3}' | sed 's/C//g' > temp.dat
cat graphit.gp | gnuplot
graphfile="$roastfile-graph.png"
rm temp.dat
mv temps.png "$graphfile"

#!/usr/bin/env sh

seconds_to_ts()
{
        TIME=$1
        if [ $(uname | grep -c "BSD") -eq 1 ]; then
                date -u -r $TIME +%H:%M:%S
        elif [ $(uname) = "Linux" ]; then
                date -d @${TIME} +%H:%M:%S
        fi
}

start=$(date +%s)
while true; do
	time="$(($(date +%s) - $start))"
	printf '%s\r' "$(seconds_to_ts $time)"
done

#!/usr/bin/env gnuplot

set terminal png size 800,600
set output "temps.png"

set xdata time
set timefmt "%H:%M:%S"

set title "Roasting Temperature Profile"
set xlabel "Minutes/seconds"
set ylabel "Temperature (C)"

set key below
set grid
plot "temp.dat" using 1:2 title "Time" with lines