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README.md

@@ -1,69 +1,17 @@
-# How to Merge and Extract Split tar.xz Files
-
-Follow these steps to combine and extract your split alibaba_dataset files.
-
-## Step 1: Download All Parts
-First, ensure all split parts are downloaded to the same directory:
-```
-alibaba_dataset_part_aa
-alibaba_dataset_part_ab
-alibaba_dataset_part_ac
-alibaba_dataset_part_ad
-alibaba_dataset_part_ae
-alibaba_dataset_part_af
-alibaba_dataset_part_ag
-```
-
-## Step 2: Merge the Split Files
-Use the `cat` command to concatenate all parts in the correct order:
-
-```bash
-cat alibaba_dataset_part_* > alibaba_dataset.tar.xz
-```
-
-This command combines all parts into a single file named `alibaba_dataset.tar.xz`.
-
-## Step 3: Verify the Merged File
-Check that the merged file was created successfully:
-
-```bash
-ls -lh alibaba_dataset.tar.xz
-```
-
-The file size should be approximately 500GB (the sum of all parts).
-
-## Step 4: Extract the tar.xz Archive
-Use the `tar` command with appropriate flags:
-
-```bash
-tar -xf alibaba_dataset.tar.xz
-```
-
-For progress visibility, add the verbose flag:
-
-```bash
-tar -xvf alibaba_dataset.tar.xz
-```
-
-## Step 5: Verify Extraction
-Once extraction is complete, check the extracted contents:
-
-```bash
-ls -la
-```
-
-## Memory-Efficient Options
-
-If disk space is limited, extract directly without saving the merged file:
-
-```bash
-cat alibaba_dataset_part_* | tar -xJ
-```
-
-For large archives that cause memory issues:
-
-```bash
-tar --use-compress-program="xz -d" -xf alibaba_dataset.tar.xz
-```
-
-This approach may handle very large archives more efficiently.
+# alibaba_dataset
+
+## Dataset Information
+This dataset contains multiple parts of a large archive that need to be combined.
+
+## Reconstruction Instructions
+To reconstruct the original dataset file from the parts:
+
+1. Download all parts (alibaba_dataset_part_*)
+2. Use the cat command to join them:
+   ```
+   cat alibaba_dataset_part_* > alibaba_dataset.tar.xz
+   ```
+3. Extract the tarball:
+   ```
+   tar -xf alibaba_dataset.tar.xz
+   ```