138 lines
4.5 KiB
Bash
138 lines
4.5 KiB
Bash
#!/usr/pkg/bin/bash
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. ~/.shellfolio
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# cell colors
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minus=$(tput setaf 1)
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plus=$(tput setaf 2)
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neutral=$(tput sgr0)
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# initial values
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totalvalue=0
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totalgain=0
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maxsymbolw=3
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maxusdw=8
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maxchange1hw=5
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maxchange24hw=5
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maxchange7dw=5
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maxamountw=6
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maxvaluew=5
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maxgainw=5
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linewidth=80
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# arrays
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declare -a resultarr
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declare -a symbol
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declare -a change1h
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declare -a change24h
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declare -a change7d
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declare -a usd
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declare -a col1h
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declare -a col24h
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declare -a col7d
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declare -a amount
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declare -a paid
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declare -a value
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declare -a colgain
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declare -a gain
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# checks if value is positive or negative, returns color code
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colorize() {
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if [[ $1 == *"-"* ]]; then
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color=$minus
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else
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color=$plus
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fi
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echo $color
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}
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# fetch data from coinmarketcap.com
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i=0
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for coin in $COINS
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do
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resultarr[$i]=$(curl -s -XGET "https://api.coinmarketcap.com/v1/ticker/$coin/?convert=usd")
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((++i))
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done
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# format and store result entries into arrays
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i=0
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for result in "${resultarr[@]}"
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do
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symbol[$i]=$(echo $result | jq ".[0].symbol" | xargs printf "%s\n")
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change1h[$i]=$(echo $result | jq ".[0].percent_change_1h" | xargs printf "%.*f\n" 2)
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change24h[$i]=$(echo $result | jq ".[0].percent_change_24h" | xargs printf "%.*f\n" 2)
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change7d[$i]=$(echo $result | jq ".[0].percent_change_7d" | xargs printf "%.*f\n" 2)
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usd[$i]=$(echo $result | jq ".[0].price_usd" | xargs printf "%.*f\n" 8)
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col1h[$i]=$(colorize ${change1h[$i]})
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col24h[$i]=$(colorize ${change24h[$i]})
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col7d[$i]=$(colorize ${change7d[$i]})
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# check if $symbol is set, split into $amount and $paid
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if [ -z ${!symbol[$i]} ]; then
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amount[$i]=0
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paid[$i]=0
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else
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IFS=: read -r amount[$i] paid[$i] <<< "${!symbol[$i]}"
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fi
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# calculates value of coins
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value[$i]=$(echo "scale=2; ((${amount[$i]}*${usd[$i]}) * 100) / 100" | bc)
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usd[$i]=$(echo "scale=6; (${usd[$i]} * 100 ) / 100" | bc)
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totalvalue=$(echo "scale=2; ${value[$i]}+$totalvalue" | bc)
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# calculates gain
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if [ "${paid[$i]}" -eq "0" ]; then
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gain[$i]=0
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else
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gain[$i]=$(echo "scale=2; ((${value[$i]}-${paid[$i]}) * 100) / 100" | bc)
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fi
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colgain[$i]=$(colorize ${gain[$i]})
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totalgain=$(echo "scale=2; ${gain[$i]}+$totalgain" | bc)
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# determine table column width
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if [ "${#symbol[$i]}" -gt "$maxsymbolw" ]; then maxsymbolw=${#symbol[$i]};fi
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if [ "${#usd[$i]}" -gt "$maxusdw" ]; then maxusdw=${#usd[$i]};fi
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if [ "${#change1h[$i]}" -gt "$maxchange1hw" ]; then maxchange1hw=${#change1h[$i]};fi
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if [ "${#change24h[$i]}" -gt "$maxchange24hw" ]; then maxchange24hw=${#change24h[$i]};fi
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if [ "${#change7d[$i]}" -gt "$maxchange7dw" ]; then maxchange7dw=${#change7d[$i]};fi
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if [ "${#amount[$i]}" -gt "$maxamountw" ]; then maxamountw=${#amount[$i]};fi
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if [ "${#value[$i]}" -gt "$maxvaluew" ]; then maxvaluew=${#value[$i]};fi
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if [ "${#gain[$i]}" -gt "$maxgainw" ]; then maxgainw=${#gain[$i]};fi
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if [ "${#totalgain}" -gt "$maxgainw" ]; then maxgainw=${#totalgain};fi
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if [ "${#totalvalue}" -gt "$maxvaluew" ]; then maxvaluew=${#totalvalue};fi
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((++i))
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done
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# add 1 space for % symbol
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((++maxchange1hw))
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((++maxchange24hw))
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((++maxchange7dw))
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linewidth=$((8 + $maxsymbolw + $maxusdw + $maxchange1hw + $maxchange24hw + $maxchange7dw + $maxamountw + $maxvaluew + $maxgainw))
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# print table header captions
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printf "$neutral%${maxsymbolw}s %${maxusdw}s %${maxchange1hw}s %${maxchange24hw}s %${maxchange7dw}s %${maxamountw}s %${maxvaluew}s %${maxgainw}s\n" "Coin" "USD" "1h" "24h" "7d" "Amount" "Value" "Gain"
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# print table header line
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seq -s- ${linewidth}|tr -d '[:digit:]'
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printf "\n"
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# print one line per coin
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i=0
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for result in "${resultarr[@]}"
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do
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printf "$neutral%${maxsymbolw}s %${maxusdw}.6f ${col1h[$i]}%${maxchange1hw}s ${col24h[$i]}%${maxchange24hw}s ${col7d[$i]}%${maxchange7dw}s $neutral%${maxamountw}s %${maxvaluew}.2f ${colgain[$i]}%${maxgainw}.2f$neutral\n" "${symbol[$i]}" "${usd[$i]}" "${change1h[$i]}%" "${change24h[$i]}%" "${change7d[$i]}%" "${amount[$i]}" "${value[$i]}" "${gain[$i]}"
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((++i))
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done
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# prints table footer line
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seq -s- ${linewidth}|tr -d '[:digit:]'
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printf "\n"
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totalvalpos=$(($linewidth - $maxgainw - 1))
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#prints total coin value and total gain
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colgain=$(colorize $totalgain)
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printf "%${totalvalpos}.2f $colgain%${maxgainw}.2f$neutral\n" "$totalvalue" "$totalgain"
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exit 0
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