From 920522b21376a94347fd8757b375800d0fac77fe Mon Sep 17 00:00:00 2001
From: Wrongthink <wrongthink@076.ne.jp>
Date: Sun, 23 Apr 2023 00:20:36 +0900
Subject: [PATCH] Initial upload

---
 flashcard.sh | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 flashcard.sh

diff --git a/flashcard.sh b/flashcard.sh
new file mode 100644
index 0000000..dcf65d3
--- /dev/null
+++ b/flashcard.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+#Enumerate memorization items
+for item in `cut -f 1 "$1"`; do
+	front+=($item)
+done
+
+#Enuerate answers
+for item in `cut -f 2 "$1" | sed -e 's: :_:g'`; do
+	back+=($item)
+done
+
+#Generate random flash card order
+order=$(shuf -e $(seq 0 $(expr ${#front[@]} \- 1)))
+
+flashcards(){
+for card in ${order[@]}; do
+		whiptail --msgbox "Unmemorized ${#repeat[@]} \n\n ${front[$card]} |" --ok-button "Show" 15 60
+		whiptail --yesno "Unmemorized ${#repeat[@]} \n\n ${front[$card]} | ${back[$card]}" --yes-button "Know" --no-button "Don't know" 15 60
+		#Catalogue unmemorized cards
+		if [[ $? = 1 ]]; then
+			repeat+=($card)
+		fi
+done
+#Load unmemorized cards back into deck and repeat
+if [[ "${#repeat[@]}" > 0 ]]; then
+	order="${repeat[@]}"
+	unset repeat
+	flashcards
+else
+	exit 0
+fi
+}
+
+flashcards
+
+exit 0