File size: 2,097 Bytes
80a8351 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | #!/bin/bash
# =================================================================
# Configuration
# Modify these variables to match your environment.
# =================================================================
# Prefix for the split files (e.g., abc_dataset_part_aa, abc_dataset_part_ab, etc.)
FILE_PREFIX="abc_dataset_part_"
# Name of the final merged .tar file
MERGED_TAR_FILE="ABC_Dataset_full.tar"
# Directory to extract files into
EXTRACT_DIR="ABC_Dataset_extracted"
# =================================================================
# Script Body
# Do not modify below this line unless you know what you are doing.
# =================================================================
# Exit immediately if a command exits with a non-zero status.
set -e
echo ">> 1. Verifying split files exist..."
files=(${FILE_PREFIX}*)
if [ ! -f "${files[0]}" ]; then
echo "Error: Could not find split files starting with '${FILE_PREFIX}'."
echo "Ensure this script is in the same directory as the split files and FILE_PREFIX is correct."
exit 1
fi
echo "Split files found. Starting merge."
echo ""
echo ">> 2. Merging split files..."
# The wildcard (*) is automatically sorted alphabetically by the shell (aa, ab, ac...).
cat ${FILE_PREFIX}* > ${MERGED_TAR_FILE}
echo "Merge complete. Output file: ${MERGED_TAR_FILE}"
echo ""
echo ">> 3. Creating destination directory..."
mkdir -p ${EXTRACT_DIR}
echo "Directory ready: ${EXTRACT_DIR}"
echo ""
echo ">> 4. Extracting TAR archive..."
# -x: extract, -v: verbose, -f: file, -C: change to directory
tar -xvf ${MERGED_TAR_FILE} -C ${EXTRACT_DIR}
echo "Extraction complete."
echo ""
echo "=========================================="
echo "🎉 All tasks completed successfully!"
echo "Data is available in the '${EXTRACT_DIR}' directory."
echo "=========================================="
# Optional: Uncomment the lines below to delete the original split parts and the merged .tar file after completion.
# echo ""
# echo ">> 5. Cleaning up source files..."
# rm ${FILE_PREFIX}*
# rm ${MERGED_TAR_FILE}
# echo "Cleanup complete."
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