# bloomreach/s4cmd

Super S3 command line tool

Repository: https://github.com/bloomreach/s4cmd
Canonical: https://ross.abutalabs.com/products/s4cmd
Language: Python
License: Apache-2.0
License Family: permissive
Topics: s4cmd, python, cli, bloomreach
Last push: 2024-07-21T12:59:31+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 5044, "days_push": 773, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1395, forks 210 (observed 2026-08-28T04:04:36.439905+00:00)

## What it is
s4cmd is a Python command-line tool for accessing Amazon S3, built on boto3 as a faster alternative to s3cmd. It supports multipart uploads for large files, batch deletes, timestamp filtering, and S3-compatible storage endpoints.

## Use cases
- upload large files to s3 from the command line
- sync a local directory to an s3 bucket
- bulk delete thousands of s3 objects quickly
- download s3 files faster than aws cli
- script data-intensive s3 operations
- use s3-compatible storage like dreamhost or cloudian

## When to choose
- you need faster s3 transfers than s3cmd or aws cli for large files
- you want shell-friendly s3 commands for scripted data pipelines
- you need multipart uploads for files over 5GB
- you use s3-compatible storage services with custom endpoints

## When to avoid
- you need a full-featured s3 management GUI
- you only need basic occasional s3 operations and already use aws cli
- you need features actively developed beyond maintenance
- you require non-S3 cloud storage like GCS or Azure Blob

## Facets
- artifact type: cli-tool
- maturity: maintenance
- function: cli, file-system, developer-tools
- domain: cloud-computing, developer-tools, files
- platform: cli, python, cross-platform
- tags: s3, aws, boto3, object-storage, file-transfer, multipart-upload, command-line

## Member repositories
- bloomreach/s4cmd (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:36.439905+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:39:22.378508+00:00, confidence not recorded.
  - readme: https://github.com/bloomreach/s4cmd (fetched 2026-08-28T04:04:36.439905+00:00, sha b613355d74d6)
  - registry_pypi: https://pypi.org/pypi/s4cmd/json (fetched 2026-08-29T11:53:56.179277+00:00, sha bf6d55a2f066)
- Data as of 2026-08-30T08:39:29.467469+00:00.