Initial commit.
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stormdragon2976
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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Version 2, December 2004
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Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
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Everyone is permitted to copy and distribute verbatim or modified
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copies of this license document, and changing it is allowed as long
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as the name is changed.
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DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. You just DO WHAT THE FUCK YOU WANT TO.
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## Quiz
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Simple quiz app. Answers can be multiple choice or true/false.
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## Usage
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Rename quiz.sh to the subject for which you want to create a quiz.
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cp quiz.sh history.sh
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Run with the -a flag to add questions and follow the prompts.
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./history.sh -a
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## Taking the quiz
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Simply run the file with no arguments to take the quiz. At the end, your results will be calculated on a 100 point grading scale.
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#!/usr/bin/env bash
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add_question() {
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question="|"
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until [[ ${#question} -eq 0 ]]; do
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read -p "Enter the question. (leave blank to end): " question
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if [[ ${#question} -eq 0 ]]; then
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continue
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fi
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while [[ $question == *"|"* ]]; do
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echo "Question cannot contain '|'. Please try again."
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read -p "Enter the question (without '|' character): " question
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done
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question="${question^}"
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answers=()
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read -p "Enter the answer (or press Enter to proceed to correct answer): " answer
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while [[ -n $answer ]]; do
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answers+=("$answer")
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if [[ "${answer^^}" =~ ^(T(R(U(E)?)?)?|F(A(L(S(E)?)?)?)?)$ ]]; then
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break
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fi
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read -p "Next answer? (press Enter to proceed): " answer
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done
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if [[ ${#answers[@]} -gt 1 ]]; then
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choices=()
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for ((i=1; i<=${#answers[@]}; i++)); do
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letter=$(printf "%s" $((i)) | tr '1-9' 'A-J')
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choices+=("${letter}: ${answers[$((i-1))]}")
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done
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choicesStr="${choices[0]}"
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for ((i=1; i<${#choices[@]}; i++)); do
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choicesStr+="|${choices[$i]}"
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done
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echo "Enter the correct choice:"
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read -p "${choicesStr//|/$'\n'}: " correct
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correct="${correct^}"
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while [[ ! $correct =~ ^[A-${letter}]$ ]]; do
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echo "Invalid choice. Please try again."
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read -p "Enter the correct choice (${choicesStr}): " correct
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done
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correctChoice="${correct:0:1}"
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elif [[ ${#answers[@]} -eq 1 ]]; then
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choice=${answers[0]}
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if [[ "${choice^^}" =~ ^[T][R][U][E]?$ ]]; then
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correctChoice="T"
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elif [[ "$choice" =~ ^[F][A][L][S][E]?$ ]]; then
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correctChoice="F"
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else
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echo "Invalid choice. Assuming 'T' (True) as the correct answer."
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correctChoice="T"
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fi
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else
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echo "No answers provided. Skipping the question."
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return
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fi
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question="${question}|${correctChoice:0:1}|${choicesStr}"
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question="${question%|}"
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echo "${question}" >> "$0"
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echo "Question added successfully!"
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done
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exit 0
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}
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shuffle_choices() {
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if [[ ${#answers[@]} -lt 2 ]]; then
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return
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fi
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local letter=({A..Z})
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local length="${#answers[@]}"
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local newAnswer
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local shuffledChoices
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mapfile -t shuffledChoices < <(shuf -e "${answers[@]#*: }")
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for i in "${!answers[@]}" ; do
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if [[ "${answers[$i]:0:1}" == "${answer}" ]]; then
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newAnswer="${answers[$i]}"
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fi
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done
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for i in "${!shuffledChoices[@]}" ; do
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shuffledChoices[$i]="${letter[$i]}: ${shuffledChoices[$i]}"
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if [[ "${shuffledChoices[$i]#*:}" == "${newAnswer#*:}" ]]; then
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answer="${letter[$i]}"
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fi
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done
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answers=("${shuffledChoices[@]}")
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}
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if [[ $# -gt 1 ]]; then
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echo "Only 1 argument supported, -a or --question."
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exit 0
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fi
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if [[ $# -eq 1 ]]; then
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if [[ "${1}" == "-a" ]] || [[ "${1}" == "--add-question" ]]; then
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add_question
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else
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echo "Only 1 argument supported, -a or --question."
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exit 0
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fi
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fi
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startPosition="$(grep -n '^exit 0$' "${0}")"
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startPosition="${startPosition%%:*}"
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((startPosition++))
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mapfile -t data < <(tail -n +${startPosition} "$0" | grep -v "^#" | grep -v "^$" | shuf)
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right=0
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wrong=0
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echo "Total questions: ${#data[@]}"
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if [[ ${#data[@]} -eq 0 ]]; then
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echo "To add questions use the -a or --add-questions flag."
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fi
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for i in "${data[@]}" ; do
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question="${i%%|*}"
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i="${i#*|}"
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answer="${i%%|*}"
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answer="${answer^}"
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i="${i#*|}"
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unset answers
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while [[ ${#i} -gt 1 ]]; do
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answers+=("${i%%|*}")
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i="${i#*|}"
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if [[ "${i%%|*}" == "${i}" ]]; then
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answers+=("${i}")
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break
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fi
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done
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shuffle_choices
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echo
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echo "${question}"
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for i in "${answers[@]}" ; do
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echo "${i}"
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done
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read -r choice
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choice="${choice:0:1}"
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choice="${choice^}"
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if [[ "${choice}" == "${answer}" ]]; then
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echo "Correct!"
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((right++))
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else
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echo -n "Wrong, the answer is: "
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for i in "${answers[@]}" ; do
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if [[ "${answer}" == "${i:0:1}" ]]; then
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echo "$i"
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fi
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done
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((wrong++))
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fi
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if [[ "${answer}" == "F" ]] || [[ "${answer}" == "T" ]]; then
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answer="${answer/F/False}"
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answer="${answer/T/True}"
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echo "${answer}"
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fi
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read -rp "Press enter to continue"
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done
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# Results
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echo
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echo "Out of ${#data[@]} questions, you got ${right} correct."
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if [[ ${#wrong} -gt 0 ]]; then
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echo "You missed ${wrong} questions."
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fi
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if command -v bc &> /dev/null ; then
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grade=$(echo "scale=2; $right * 100 / ${#data[@]}" | bc)
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echo "On a 100 based grading scale, this gives you a score of $grade."
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fi
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exit 0
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