Download list of zip data from .meta4 file extension

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MAT NIZAM UTI 2023-9-10

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评论： Walter Roberson 2023-9-11

Hi, I have a .meta4 file that contain list of datasets that I want to download. The file contain with file name and url for data download.

Since, this is my first time working with .meta4 file, may I know if possible to run a matlab coding for download the data? if yes can somebody who expert in this provide me idea how to build and run the code.

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Sulaymon Eshkabilov 2023-9-10

I never worked with meta4 files. But a general advice is: check if your downloaded .meta4 file can be seen/opened using notepad or any other apps. If so, save as an .txt or .dat file, then you can read/process it using MATLAB.

MAT NIZAM UTI 2023-9-11

Do you have any reference coding that I can look up for?

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Walter Roberson 2023-9-10

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I find information that indicates that .meta4 files are XML files. As such you could potentially read them using xmlread or the fairly new readstruct

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MAT NIZAM UTI 2023-9-11

socat_search_result_url_list_20230910-132121.zip

I do try download with a third party downloader. However, the retrieve data (.nc) is only 23kb where it should be 50-60MB. I am using aria2c. But there is an error to the download data. So, I need to try other sources like Matlab if there is a way to download all the data that have been listed in the metalink file (.meta4). I share to you the meta4 file.

Walter Roberson 2023-9-11

My suspicion is that you are running into a credentials or field issue. I suspect that if you look at the 23 kb .nc file that you will find it is HTML giving some error message or refusal to download.

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