Create ultracompare.sh

Author: serainox420

ultracompare.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+# ULTRACOMPARE SCRIPT FOR EXTRACTING DIFFERING FILES
+# COMPARE 'ORIGINAL' AND 'MODIFIED'
+# CREATE 'DIFF' WITH ONLY 'MODIFIED' FILES, THAT DON'T MATCH 'ORIGINAL'
+
+# Prompt user for original and modified paths
+read -p "Enter the path to the original directory: " ORIGINAL_PATH
+read -p "Enter the path to the modified directory: " MODIFIED_PATH
+
+# Verify paths exist
+if [ ! -d "$ORIGINAL_PATH" ]; then
+    echo "Error: Original directory '$ORIGINAL_PATH' does not exist."
+    exit 1
+fi
+
+if [ ! -d "$MODIFIED_PATH" ]; then
+    echo "Error: Modified directory '$MODIFIED_PATH' does not exist."
+    exit 1
+fi
+
+# Log files
+ORIGINAL_LOG="original-log.txt"
+MODIFIED_LOG="modified-log.txt"
+DIFF_LOG="diff-log.txt"
+
+# Output directories
+DIFF_DIR="diff"
+OLD_DIR="old"
+
+# Create a timestamped folder for cleanup
+TIMESTAMP=$(date "+%Y%m%d-%H%M%S")
+ARCHIVE_DIR="$OLD_DIR/$TIMESTAMP"
+
+# Ensure the old/ directory exists
+mkdir -p "$ARCHIVE_DIR"
+
+# Function to generate log with relative paths and SHA-256 hashes
+generate_log() {
+    local base_path="$1"
+    local log_file="$2"
+    find "$base_path" -type f | while read -r file; do
+        # Get relative path and hash
+        relative_path="${file#$base_path/}" # Remove base path prefix
+        hash=$(sha256sum "$file" | awk '{print $1}')
+        # Write to log file
+        echo "$relative_path | $hash" >> "$log_file"
+    done
+}
+
+# Generate logs for original and modified paths
+echo "Generating log for original path..."
+> "$ORIGINAL_LOG" # Clear previous log
+generate_log "$ORIGINAL_PATH" "$ORIGINAL_LOG"
+
+echo "Generating log for modified path..."
+> "$MODIFIED_LOG" # Clear previous log
+generate_log "$MODIFIED_PATH" "$MODIFIED_LOG"
+
+# Copy the entire modified directory structure to the diff directory
+echo "Creating diff directory from modified path..."
+rm -rf "$DIFF_DIR"
+cp -a "$MODIFIED_PATH" "$DIFF_DIR"
+
+# Create diff-log.txt from modified-log.txt
+cp "$MODIFIED_LOG" "$DIFF_LOG"
+
+# Final step: Remove all matching lines from diff-log.txt
+echo "Finalizing diff-log.txt by removing matches from original-log.txt..."
+while IFS= read -r original_line; do
+    # Extract relative path and hash from the original log
+    original_relative_path=$(echo "$original_line" | cut -d'|' -f1 | xargs)
+    original_hash=$(echo "$original_line" | cut -d'|' -f2 | xargs)
+
+    # Create the matching pattern and remove it from diff-log.txt
+    grep_pattern="^${original_relative_path//./\\.} | $original_hash$"
+    sed -i "/$grep_pattern/d" "$DIFF_LOG"
+done <"$ORIGINAL_LOG"
+
+# Remove matching files from the diff directory
+echo "Removing matching files from diff directory..."
+while IFS= read -r original_line; do
+    original_relative_path=$(echo "$original_line" | cut -d'|' -f1 | xargs)
+    target_file="$DIFF_DIR/$original_relative_path"
+    if [ -f "$target_file" ]; then
+        rm -f "$target_file"
+    fi
+done <"$ORIGINAL_LOG"
+
+# Clean up empty directories in the diff directory
+find "$DIFF_DIR" -type d -empty -delete
+
+# Move logs and diff directory to the archive
+echo "Archiving logs and diff directory..."
+mv "$ORIGINAL_LOG" "$ARCHIVE_DIR/"
+mv "$MODIFIED_LOG" "$ARCHIVE_DIR/"
+mv "$DIFF_LOG" "$ARCHIVE_DIR/"
+mv "$DIFF_DIR" "$ARCHIVE_DIR/"
+
+echo "Process complete. Logs and diff directory archived in $ARCHIVE_DIR."