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structured3d/extract.sh

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+#!/bin/bash
+
+# Extract script for structured3d dataset
+# This script extracts the contents of structured3d.tar.gz
+
+DATASET_NAME="structured3d"
+TAR_FILE="structured3d.tar.gz"
+EXTRACT_DIR="extracted"
+
+echo "Extracting $DATASET_NAME dataset"
+echo "================================="
+
+if [ ! -f "$TAR_FILE" ]; then
+    echo "Error: $TAR_FILE not found"
+    echo "Run ./merge.sh first to reassemble the file"
+    exit 1
+fi
+
+# Get file size
+file_size=$(ls -lh "$TAR_FILE" | awk '{print $5}')
+echo "File: $TAR_FILE ($file_size)"
+
+# Create extraction directory
+mkdir -p "$EXTRACT_DIR"
+
+echo "Extracting to $EXTRACT_DIR/..."
+
+# Extract the tar.gz file
+tar -xzf "$TAR_FILE" -C "$EXTRACT_DIR"
+
+if [ $? -eq 0 ]; then
+    echo "✓ Successfully extracted $TAR_FILE"
+    
+    echo
+    echo "Contents:"
+    ls -la "$EXTRACT_DIR"
+    
+    echo
+    echo "Extraction complete! Files are in the '$EXTRACT_DIR' directory."
+    
+    # Show disk usage
+    echo
+    echo "Disk usage:"
+    du -sh "$EXTRACT_DIR"
+    
+else
+    echo "✗ Failed to extract $TAR_FILE"
+    echo "The file might be corrupted or incomplete"
+    exit 1
+fi