{
  "id": 13718,
  "title": "How to unzip? error when unziping",
  "url": "/competitions/diabetic-retinopathy-detection/discussion/13718",
  "author_name": "",
  "post_date": "2015-04-23T17:19:01.477Z",
  "votes": null,
  "comment_count": 8,
  "views": 2849,
  "content": "<p>Hi,</p>\n<p>After downloading the data I removed for e.g &quot;.001&quot; from the file name and then I used 7-zip to unzip the files. But it says &quot;cannot open as archieve&quot;.</p>\n<p>What should I do?</p>",
  "messages": [
    {
      "id": "74337",
      "postDate": "04/23/2015 17:19:01",
      "content": "<p>Hi,</p>\n<p>After downloading the data I removed for e.g &quot;.001&quot; from the file name and then I used 7-zip to unzip the files. But it says &quot;cannot open as archieve&quot;.</p>\n<p>What should I do?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74352",
      "postDate": "04/23/2015 17:48:35",
      "content": "<p>Try using p7zip and do not rename the original files.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74378",
      "postDate": "04/23/2015 20:39:03",
      "content": "<p>I am using windows. can I use p7zip to unzip on windows?</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74381",
      "postDate": "04/23/2015 20:49:01",
      "content": "",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74384",
      "postDate": "04/23/2015 21:06:31",
      "content": "<p>They aren't individual files, but split zips that belong to a much larger zip.</p>\n\n<p>Not sure how to do this on windows unfortunately.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74388",
      "postDate": "04/23/2015 21:20:48",
      "content": "<p>I am unable to unzip. :(</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74395",
      "postDate": "04/23/2015 22:08:37",
      "content": "<p>Please read the forums before asking for help. This is the second post today that could have been resolved by a quick search.</p>\n<p>Do <em><span style=\"text-decoration: underline\"><strong>not</strong></span> </em>rename the original files and make sure<em> <strong><span style=\"text-decoration: underline\">all</span></strong> </em>the files for a given category (e.g. all the training zip files) are in the<em> <span style=\"text-decoration: underline\"><strong>same</strong></span> </em>folder when you try to unzip using the 7zip utility. I can confirm that this works on Windows, and if you are having further trouble please read the following thread:&nbsp;<a href=\"https://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12545/can-t-unzip-data\">https://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12545/can-t-unzip-data</a></p>\n<p>You may also want to check the MD5 checksums&nbsp;for the files you downloaded. More information about those may be found in the same thread.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74477",
      "postDate": "04/24/2015 12:38:31",
      "content": "<p>Thanks for your reply. I check that thread as well. Now I am able to unzip with many errors, for e.g.</p>\n<p>1. data error</p>\n<p>2. unexpected end of file</p>\n<p>3. headers error,</p>\n<p>etc.</p>\n<p>Total number of error = 33716</p>\n<p>I am using windows and 7zip.</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "74544",
      "postDate": "04/24/2015 18:39:21",
      "content": "<p>Finally I am able to unzip it. I checked the MD5 hashes for the downloaded files, some of them were different than the ones given in http://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12543/could-you-please-generate-md5-hashes-for-files So I downloaded the files again. It works now.</p>\n<p>Thanks for the responses.</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 74352,
      "author_name": "andrebarbosa",
      "author_url": "",
      "post_date": "04/23/2015 17:48:35",
      "content": "<p>Try using p7zip and do not rename the original files.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74378,
      "author_name": "thewinner",
      "author_url": "",
      "post_date": "04/23/2015 20:39:03",
      "content": "<p>I am using windows. can I use p7zip to unzip on windows?</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74381,
      "author_name": "thewinner",
      "author_url": "",
      "post_date": "04/23/2015 20:49:01",
      "content": "",
      "votes": null,
      "replies": []
    },
    {
      "id": 74384,
      "author_name": "dannn314472",
      "author_url": "",
      "post_date": "04/23/2015 21:06:31",
      "content": "<p>They aren't individual files, but split zips that belong to a much larger zip.</p>\n\n<p>Not sure how to do this on windows unfortunately.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74388,
      "author_name": "thewinner",
      "author_url": "",
      "post_date": "04/23/2015 21:20:48",
      "content": "<p>I am unable to unzip. :(</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74395,
      "author_name": "bcperea",
      "author_url": "",
      "post_date": "04/23/2015 22:08:37",
      "content": "<p>Please read the forums before asking for help. This is the second post today that could have been resolved by a quick search.</p>\n<p>Do <em><span style=\"text-decoration: underline\"><strong>not</strong></span> </em>rename the original files and make sure<em> <strong><span style=\"text-decoration: underline\">all</span></strong> </em>the files for a given category (e.g. all the training zip files) are in the<em> <span style=\"text-decoration: underline\"><strong>same</strong></span> </em>folder when you try to unzip using the 7zip utility. I can confirm that this works on Windows, and if you are having further trouble please read the following thread:&nbsp;<a href=\"https://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12545/can-t-unzip-data\">https://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12545/can-t-unzip-data</a></p>\n<p>You may also want to check the MD5 checksums&nbsp;for the files you downloaded. More information about those may be found in the same thread.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74477,
      "author_name": "thewinner",
      "author_url": "",
      "post_date": "04/24/2015 12:38:31",
      "content": "<p>Thanks for your reply. I check that thread as well. Now I am able to unzip with many errors, for e.g.</p>\n<p>1. data error</p>\n<p>2. unexpected end of file</p>\n<p>3. headers error,</p>\n<p>etc.</p>\n<p>Total number of error = 33716</p>\n<p>I am using windows and 7zip.</p>",
      "votes": null,
      "replies": []
    },
    {
      "id": 74544,
      "author_name": "thewinner",
      "author_url": "",
      "post_date": "04/24/2015 18:39:21",
      "content": "<p>Finally I am able to unzip it. I checked the MD5 hashes for the downloaded files, some of them were different than the ones given in http://www.kaggle.com/c/diabetic-retinopathy-detection/forums/t/12543/could-you-please-generate-md5-hashes-for-files So I downloaded the files again. It works now.</p>\n<p>Thanks for the responses.</p>",
      "votes": null,
      "replies": []
    }
  ],
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