207 lines
7.7 KiB
Bash
Executable File
207 lines
7.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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#==============================================================#
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#
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# AUTHOR:
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# Bryan Jenks
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# - www.bryanjenks.xyz
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# - https://github.com/tallguyjenks/flash.sh
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#
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# SOURCE:
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# This file is based off of the one presented in this YouTube Video by nixcasts:
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# - https://www.youtube.com/watch?v=lX8jqo70r1I
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#
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# PURPOSE:
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# To have a command line flash card tool with minimal code, plain text input and output
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#
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# VISION:
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# The goal i have for this script is a basic level emulation of ANKI to where i have a way to
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# keep track of a score for each item in each selected deck so that it can pick from a selection
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# of the lowest scoring items and shuf them to the user for reenforcement of active recall.
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#
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# DEPENDENCIES:
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# fzf - https://github.com/junegunn/fzf
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# bat - https://github.com/sharkdp/bat
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#==============================================================#
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# USER CUSTOMIZABLE VARIABLES
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CARD_POOL_SIZE=10 # How large the pool size is for shuf to draw from
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SEARCH_DEPTH=999 # How many levels to recursively search for .csv's in .local/share/flash
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# ANSI FOREGROUND ESCAPE COLORS
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RED='\033[0;31m'
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LRED='\033[1;31m'
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YELLOW='\033[1;33m'
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GREEN='\033[0;32m'
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LGREEN='\033[1;32m'
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ORANGE='\033[0;33m'
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LGREY='\033[0;37m'
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WHITE='\033[1;37m'
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NC='\033[0m' # No Color
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# ANSI BACKGROUND ESCAPE COLORS
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WHITEBG='\033[1;47m'
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# FONT FORMAT EXCAPE CODES
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BOLD='\e[1m'
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# Remember User's Starting Directory
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PWD="$(pwd)"
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# Where Decks Are Located
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DIR="$HOME/.local/share/flash"
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# Where the example deck with be placed and named
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EXAMPLE_DECK="$HOME/.local/share/flash/deck.csv"
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# Track High score
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HIGH_SCORE="$HOME/.local/share/flash/.highscore"
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# Iterator for Count of cards reveiwed
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COUNTER=0
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# Success message of setup process
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DIR_MADE_MSG="
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Your ${LRED}~/.local/share/flash${NC} directory has been made and
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your ${ORANGE}deck.csv${NC} file is ready for you to enter your flashcard data
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"
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# User has .local/share directory but no decks inside
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NO_DECKS="
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No decks were found, please make a new deck
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using ${ORANGE}:${NC} as a delimiter in a ${ORANGE}.csv${NC} file in
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the ${LRED}.local/share/flash${NC} directory.
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An example of a card:
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${GREEN}Math:What is the square root of 4?:2:0${NC}
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"
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# The example flashcard deck to be made
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DECK_TEMPLATE="History:When was the declaration of independence signed?:1776:0
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Math:What is the square root of 4?:2:4
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Science:What is the charge of a proton?:Positive:2
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Philosophy:What was socrates known as?:The Gadfly of Athens:0
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Programming:What is the typical starting value of an array?:0:5
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History:What did Abraham Lincoln Typically Keep In his hat?:Mail:0
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Math:what is the first 2 decimal places of PI:3.14:4
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Science:What is the charge of an electron?:Negative:3
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Programming:What does OOP stand for?:Object Oriented Programming:2
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History:What did socrates drink to commit suicide?:Hemlock Tea:2
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Math:What is the equation for a slope of a line?:y=mx+b:4
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Science:What is the charge of a neutron?:Neutral:1
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Programming:What is Vim?:God's Text Editor:999
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History:What were the british known buy during the american revolution?:The redcoats:1
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Math:What is the value of this equation - log10(100)?:2:0
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Science:What are protons/neutrons/electrons made of?:quarks:5
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Programming:What does RAM stand for?:Random Access Memory:1
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History:What was the year 2000 also known as?:Y2K:0
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Math:What is the formula for mean?:Sum/count:4
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Science:What is cold?:The absense of heat:3
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Programming:What languages are the worst?:Proprietary:999
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History:When did man land on the moon?:1969:4
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Math:10^3=?:1000:1
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Science:The _____ ______ Project mapped all of man's genes.:Human Genome:3
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Programming:What is the best computer to program on?:Thinkpad:999
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History:When was flash.sh created?:April 2020:999
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Math:What do you call a number only divisible by itself and 1?:Prime:0
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Science:What is the distance between the Earth and Sol called?:An Astronomical Unit (AU):1
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Programming:Best operating system?:Arch, because BTW i run Arch:999"
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# Test if .local/share exists and wether to offer setup process
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if [ ! -d $DIR ];then
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echo -e "No ${LRED}.local/share/flash${NC} directory, make it? ${LGREEN}y${NC}/${LRED}n${NC}"
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read RESPONSE
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case "$RESPONSE" in
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[QqNn]) exit ;;
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[Yy]) mkdir "$DIR" && touch {$EXAMPLE_DECK,$HIGH_SCORE} && echo "$DECK_TEMPLATE" >> $EXAMPLE_DECK && echo -e "$DIR_MADE_MSG" && exit;;
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*) echo -e "invalid choice, please select either ${LGREEN}y${NC} or ${LRED}n${NC}" && exit ;;
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esac
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fi
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# go to the flashcard decks
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cd "$DIR"
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# If there are no flashcard decks available return user to starting location
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if [ "$(find -maxdepth 999 -iname "*.csv" | wc -l)" = 0 ]; then
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echo -e "$NO_DECKS" && cd "$PWD" && exit
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fi
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# If highscore file was removed, remake it.
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if [ ! -e "$HIGH_SCORE" ]; then
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touch "$HIGH_SCORE"
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fi
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# Show pretty FZF preview of decks using BAT
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DECK="$(find -maxdepth $SEARCH_DEPTH -iname '*.csv' | fzf --preview='bat --theme="Solarized (dark)" --style=numbers --color=always {} | head -500')"
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# If no deck is selected in fzf menu, return user to start location and exit
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if [ -z $DECK ]; then
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cd "$PWD" && exit
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fi
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main(){
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IFS=$':'; read -a q <<<$(sort "$DECK" -n --field-separator=: --key=4 | head -n "$CARD_POOL_SIZE"| shuf -n 1)
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clear
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echo -e "${WHITEBG} Flash.sh - Flash Cards In Your Terminal ${NC}"
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echo -e "${ORANGE}${BOLD}Cards Reviewed:${BOLD}${NC} $COUNTER\t${ORANGE}${BOLD}High Score:${BOLD}${NC} $(cat $HIGH_SCORE)"
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echo -e "${LGREY}Category:${NC}
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${q[0]}"
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echo -e "${LGREY}Question:${NC}
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${q[1]}"
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echo -e ""
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read -sn 1 NEXT
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if [ "$NEXT" = q ]; then
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cd "$PWD" && exit
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fi
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echo -e "${LGREY}Answer:${NC}
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${q[2]}"
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echo -e ""
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echo -e "${WHITEBG}${WHITE}===========================================================${NC}"
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echo -e ""
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echo -e "${LGREY}How Difficult Was This Question?${NC}"
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echo -e ""
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echo -e "${LRED}Hard${NC} [1] ${RED}Difficult${NC} [2] ${YELLOW}Normal${NC} [3] ${GREEN}Mild${NC} [4] ${LGREEN}Easy${NC} [5]"
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echo -e ""
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read -sn 1 DIFFICULTY_SCORE
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clear
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COUNTER="$(($COUNTER+1))" # Increment count for above test and card review count increment
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if [ "${q[3]}" = 0 ]; then
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NEW_ITEM_SCORE=0
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case "$DIFFICULTY_SCORE" in
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[123]) NEW_ITEM_SCORE=0 ;;#HARD DIFFICULTY & NORMAL
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4) NEW_ITEM_SCORE=1 ;;#MILD
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5) NEW_ITEM_SCORE=2 ;;#EASY
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*) NEW_ITEM_SCORE=0 ;;#INVALID
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esac
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elif [ "${q[3]}" = 1 ]; then
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case "$DIFFICULTY_SCORE" in
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1) NEW_ITEM_SCORE=0 ;;#HARD
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2) NEW_ITEM_SCORE=0 ;;#DIFFICULT
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3) NEW_ITEM_SCORE=1 ;;#NORMAL
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4) NEW_ITEM_SCORE=2 ;;#MILD
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5) NEW_ITEM_SCORE=3 ;;#EASY
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*) NEW_ITEM_SCORE=1 ;;#INVALID
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esac
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else
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case "$DIFFICULTY_SCORE" in
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1) NEW_ITEM_SCORE="$((${q[3]}-2))" ;;#HARD
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2) NEW_ITEM_SCORE="$((${q[3]}-1))" ;;#DIFFICULTY
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3) NEW_ITEM_SCORE="${q[3]}" ;;#NORMAL
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4) NEW_ITEM_SCORE="$((${q[3]}+1))" ;;#MILD
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5) NEW_ITEM_SCORE="$((${q[3]}+2))" ;;#EASY
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*) NEW_ITEM_SCORE="${q[3]}" ;;#INVALID
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esac
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fi
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# Update item score for each flashcard item
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sed -i "s/${q[0]}:${q[1]}:${q[2]}:${q[3]}/${q[0]}:${q[1]}:${q[2]}:$NEW_ITEM_SCORE/g" "$DECK"
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# Update highscore if new highscore is achieved
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if [ -z "$(cat $HIGH_SCORE)" ]; then
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echo "$COUNTER" > "$HIGH_SCORE"
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fi
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# If Cards Reviewed > Current High Score, Update
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if [ "$COUNTER" -gt "$(cat $HIGH_SCORE)" ]; then
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echo "$COUNTER" > "$HIGH_SCORE"
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fi
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}
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while true; do
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main
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done
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