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Create a sample data set from a large CSV file on Amazon S3.

Project description

This utility allows you to extsact sample lines from a CSV hosted on Amazon S3.
The use case is that you have a really large CSV on S3 that you want to look at,
but you do not want to download the entire file.

What it does is grab random bytes from the key and assemble unbroken lines from
the file to create as sample.

The use case is for determining a file format, file contents, etc. See the
cognoscenti project for an example. (Um, this doesn't exist yet. Check back later.)

_Usage: [OPTIONS]_

--bucket TEXT bucket name
--key TEXT key name
--headers / --no-headers Include headers in output. Defaults to include.
-d, --delimiter TEXT File delimiter. Defaults to ','
-l, --lines INTEGER How many sample lines do you want? Defaults to 1000.
--help Show this message and exit.

Allows you to indicate the number of lines you hope to recieve. It will
grab 1000 lines by default.

#### Installing

You can install via pip:

pip install sample-s3

#### Example

ss3 --bucket foo --key path/to/bar.csv > sample_file.csv

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Filename, size & hash SHA256 hash help File type Python version Upload date
sample-s3-0.0.4.tar.gz (3.7 kB) Copy SHA256 hash SHA256 Source None Aug 9, 2016

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