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30 lines
890 B
30 lines
890 B
2 years ago
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#!/usr/bin/env bash
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num_students=$1
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declare -a students
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for ((i = 0; i < num_students; i++)); do
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read -p "Student Name #$((i + 1)): " name
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read -p "Student Grade #$((i + 1)): " grade
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students+=("$name $grade")
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if [ $(expr "$grade" \> 100) -eq 1 ] || ! [[ "$grade" =~ ^[0-9]+$ ]]; then
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echo "Error: The grade '$grade' is not a valid input. Only numerical grades between 0 and 100 are accepted."
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exit 1
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fi
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done
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for student in "${students[@]}"; do
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name=$(echo $student | awk '{print $1}')
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grade=$(echo $student | awk '{print $2}')
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if [ "$grade" -ge 90 ]; then
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echo "$name: You did an excellent job!"
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elif [ "$grade" -ge 70 ]; then
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echo "$name: You did a good job!"
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elif [ "$grade" -ge 50 ]; then
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echo "$name: You need a bit more effort!"
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else
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echo "$name: You had a poor performance!"
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fi
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done
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