Initial commit.

roller.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+roll_dice() {
+local diceString="${1,,}"
+local modifier="${2:-0}"
+local number
+local sides
+
+if [[ "${diceString}" != "${diceString//d/}" ]]; then
+
+IFS='d' read -r number sides <<< "$diceString"
+fi
+
+if [[ "${diceString:0:1}" == "d" ]]; then
+number=1
+sides="${diceString//d/}"
+fi
+number=${number:-1}
+sides=${sides:-6}
+
+if [[ "$modifier" =~ ^[+-]?[0-9]+$ ]]; then
+modifier=$((modifier))
+fi
+
+randomNumbers=$(shuf -i 1-$sides -n $number | tr '\n' ' ')
+IFS=' ' read -r -a numbersArray <<< "$randomNumbers"
+joinedNumbers=$(IFS=,; echo "${numbersArray[*]}")
+
+sum=0
+for num in "${numbersArray[@]}"; do
+sum=$((sum + num))
+done
+sum=$((sum + modifier))
+
+echo "Dice rolls: $joinedNumbers Modifier: $modifier"
+echo "Total: $sum"
+}
+
+roll_dice "$1" "$2"