Edit directly a file on Amazon S3 in CLI.

$ go get -u github.com/tsub/s3-edit

For macOS and Linux

$ brew install tsub/s3-edit/s3-edit

Download latest binary from https://github.com/tsub/s3-edit/releases

• AWS credentials
• Upload files to S3 in advance

For examples, use aws-cli

$ aws configure --profile myaccount
$ export AWS_PROFILE=myaccount

Other methods,

$ export AWS_ACCESS_KEY_ID=xxxx
$ export AWS_SECRET_ACCESS_KEY=xxxx
$ export AWS_REGION=ap-northeast-1

Upload the file to S3 in advance.

$ echo "This is a test file." > myfile.txt
$ aws s3 cp test.txt s3://mybucket/myfile.txt

To directly edit a file on S3, use edit subcommand.

$ s3-edit edit s3://mybucket/myfile.txt

Then, open a file with the default editor specified by $EDITOR.

When you close the editor after edit, a file is automatically re-uploaded to S3.

$ aws s3 cp s3://mybucket/myfile.txt -
This is a test file.
Edited with s3-edit.

• Golang >= 1.17