Kai assignment submission

typetesting.sh

@@ -0,0 +1,163 @@
+#!/bin/bash
+
+WORD_FILE="/usr/share/dict/words"
+COUNT=20
+DIFF="medium"
+
+show_help() {
+    echo "flags:"
+    echo "-n         number of words"
+    echo "-d         difficulty        | easy | medium | hard" 
+    echo "--help     get help"
+}
+
+if [[ "$1" == "--help" ]]; then
+    show_help
+    exit 0
+fi    
+
+# CLI options
+while getopts "n:d:" opt; do
+    case $opt in
+        n) COUNT=$OPTARG ;;
+        d) DIFF=$OPTARG ;;
+    esac
+done
+
+# colors
+GRN="\033[32m"
+RED="\033[31m"
+DIM="\033[2m"
+RST="\033[0m"
+UND="\033[4m"
+UND_OFF="\033[24m"
+
+# generate words
+generate_words() {
+    local count=$1
+    min=$2
+    max=$3
+    grep -E "^[a-z]{$min,$max}$" "$WORD_FILE" | sort -R | head -n "$count"
+}
+
+# pick words
+case "$DIFF" in
+    easy) raw=$(generate_words "$COUNT" 2 5);;
+    medium) raw=$(generate_words "$COUNT" 4 8);;
+    hard) raw=$(generate_words "$COUNT" 6 12);;
+    *) raw=$(generate_words "$COUNT" 3 8);;
+esac
+
+words=$(echo "$raw" | tr '\n' ' ')
+words="${words% }"
+
+# draw screen
+render() {
+
+    tput cup 0 0
+    echo "typing test"
+    echo "----------------"
+    echo
+
+    for ((i=0;i<${#words};i++)); do
+        c="${words:$i:1}"
+
+        if ((i < pos)); then
+            if [[ "${typed:$i:1}" == "$c" ]]; then
+                printf "${GRN}%s${RST}" "$c"
+            else
+                printf "${RED}%s${RST}" "$c"
+            fi
+
+        elif ((i == pos)); then
+            printf "${UND}%s${UND_OFF}" "$c"
+
+        else
+            printf "${DIM}%s${RST}" "$c"
+        fi
+    done
+
+    echo
+    echo
+}
+
+# results
+results() {
+
+    secs=$1
+    correct=0
+
+    for ((i=0;i<${#words} && i<${#typed};i++)); do
+        [[ "${typed:$i:1}" == "${words:$i:1}" ]] && ((correct++))
+    done
+
+    wc=$(echo "$words" | wc -w | tr -d ' ')
+
+    wpm=0
+    if ((secs>0)); then
+        wpm=$(( (wc * 60) / secs ))
+    fi
+
+    acc=0
+    if ((${#words}>0)); then
+        acc=$(( (correct * 100) / ${#words} ))
+    fi
+
+    clear
+    echo
+    echo "results"
+    echo "-------"
+    echo "time: $secs seconds"
+    echo "wpm: $wpm"
+    echo "accuracy: $acc%"
+    echo
+
+    LOG="$HOME/.typetest_log.csv"
+
+    if [[ ! -f "$LOG" ]]; then
+        echo "date,time,wpm,accuracy" > "$LOG"
+    fi
+
+    echo "$(date +%F),$secs,$wpm,$acc" >> "$LOG"
+}
+
+# main
+pos=0
+typed=""
+started=0
+t0=0
+
+echo "press enter to start"
+read
+
+render
+
+while ((pos < ${#words})); do
+
+    IFS= read -rsn1 key
+
+    if ((started==0)); then
+        t0=$SECONDS
+        started=1
+    fi
+
+    # backspace
+    if [[ "$key" == $'\x7f' ]]; then
+        if ((pos>0)); then
+            ((pos--))
+            typed="${typed:0:$pos}"
+        fi
+        render
+        continue
+    fi
+
+    [[ -z "$key" ]] && key=" "
+
+    typed+="$key"
+    ((pos++))
+
+    render
+
+done
+
+results $((SECONDS - t0))