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Command line Amazon S3 copy program in Java
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Latest commit 1479c07 @bradlucas Merge pull request #4 from bguerin/master
Updating to lastest jets3t library version


s3cp - Amazon S3 command line copy (cp) program

S3cp works like the Unix cp program allowing you to put files into S3 or to retrieve them from the command line.


To build s3cp

To build s3cp run Ant.

$ ant

The dist folder will contain the compiled application name s3cp-cmdline-VERSION.jar. This jar is built with 'one-jar' so you can run it with the following command.

$ java -jar s3cp-cmdline-VERSION.jar -h

Amazon Keys

Before you can interact with your S3 account you need to setup a file with your access and secret key.

Create a directory called .s3cp under your home directory.

Inside the directory create a file called

In the file create the following entries:



There is a script called in ~/secp/src/scripts that you setup with an alias.

Edit the following with the correct path and put in your .bashrc file

 alias s3cp=$HOME/work/s3cp/src/scripts/

With that, s3cp will run from the command line through the alias


s3cp uses a URI syntax to reference the objects in your S3 account. For example, if you have a bucket called test-files with an object tmp/ you'd be able to get it from S3 with the following command.

$ s3cp s3://test-files/tmp/

Copy to S3 [PUT]

$ s3cp local-file s3://bucket/object[/]

If object has a trailing slash it will be assumed to mean a directory and the local-file's filename will be appended to object.

Copy from S3 [GET]

$ s3cp s3://bucket/object [local-file]

If local-file is not present a filename from object will be used in the current directory.


If you try s3cp and have a suggestion please let me know.

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