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Lab 6.2 - Conditions and Loops

Objectives​

  • Use if/else
  • Use case
  • Use for and while
  • Create conditional scripts

Exercise 1: Conditions​

# Script with if
cat > check.sh << 'EOF'
#!/bin/bash
if [ -f "$1" ]; then
    echo "File exists"
else
    echo "File does not exist"
fi
EOF

chmod +x check.sh
./check.sh fichier.txt

Exercise 2: Loops​

# For loop
for i in {1..5}; do
    echo "Number: $i"
done

# While loop
count=1
while [ $count -le 5 ]; do
    echo "Count: $count"
    count=$((count + 1))
done

Lab created on: December 2024 - Tested on Ubuntu 24.04