A snapshot of the usage strings in WAL-E

wal-e-usage.txt

$ wal-e --help
usage: wal-e [-h] [-k AWS_ACCESS_KEY_ID] [--s3-prefix S3_PREFIX]
             {backup-fetch,backup-list,backup-push,wal-fetch,wal-push,delete}
             ...

WAL-E is a program to assist in performing PostgreSQL continuous
archiving on S3: it handles pushing and fetching of WAL segments and
base backups of the PostgreSQL data directory.

optional arguments:
  -h, --help            show this help message and exit
  -k AWS_ACCESS_KEY_ID, --aws-access-key-id AWS_ACCESS_KEY_ID
                        public AWS access key. Can also be defined in an
                        environment variable. If both are defined, the one
                        defined in the programs arguments takes precedence.
  --s3-prefix S3_PREFIX
                        S3 prefix to run all commands against. Can also be
                        defined via environment variable WALE_S3_PREFIX

subcommands:
  {backup-fetch,backup-list,backup-push,wal-fetch,wal-push,delete}
    backup-fetch        fetch a hot backup from S3
    backup-list         list backups in S3
    backup-push         pushing a fresh hot backup to S3
    wal-fetch           fetch a WAL file from S3
    wal-push            push a WAL file to S3
    delete              operators to destroy specified data in S3