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29 lines
890 B
29 lines
890 B
#!/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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