Switch between many .s3cfg files in command line (create s3s command).
$ s3s
Usage: s3s [options] [command]
Options:
-h, --help output usage information
Commands:
add [options] <file> Add s3 config from s3cfg file.
ls List s3 config.
rm [name] Delete saved s3 config.
save <name> Save actual s3 config.
use [name] Use s3 config.
mv [options] Rename s3 config.