hw2-testcase

test.sh

#!/bin/bash

# Initialize a variable to store the maximum percentage
max_percentage=0.0

# Iterate over all n.png files in the hw2img/move/ directory
for file in hw2img/*.png; do
    # Extract the base filename without extension
    base_name=$(basename "$file" .png)

    # Check if the base filename is a number between 0 and 50 inclusive
    if [[ "$base_name" =~ ^[0-9]+$ && "$base_name" -ge 0 && "$base_name" -le 50 ]]; then
        continue  # Skip the current iteration and proceed to the next file
    fi

    # Execute the pngtest command (output is ignored)
    ./pngtest "$file" > /dev/null 2>&1

    # Execute the gcov command and store its output in a variable
    output=$(gcov *.c)

    # Remove the specified files
    rm *.gcda pngout.png

    # Extract the percentage from the last line of the gcov output
    percentage=$(echo "$output" | tail -n 1 | awk -F':' '{print $2}' | awk -F'%' '{print $1}' | tr -d ' ')

    # Compare the extracted percentage with the max_percentage
    if (( $(echo "$percentage > $max_percentage" | bc -l) )); then
        max_percentage=$percentage
    fi
done

# Print the largest percentage
echo "The largest percentage is: $max_percentage%"