rustio rustio.net
75

which

v8.0.2 Stable

A Rust equivalent of Unix command "which". Locate installed executable in cross platforms.

MIT Edition 2021 MSRV 1.70
FilesystemOperating systems #command#unix#which#which-rs

Quick Verdict

  • โœ“Actively maintained (updated 19d ago)
  • โœ“Stable API (8.x for 10+ years)
  • โœ“Massive adoption (21.2K crates depend on it)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
296.7M
Dependents
21.2K
Releases
40
Size
27KB

Deep Insights

๐Ÿ“Š
Steady growth

21.3M downloads in the last 30 days (708.7K/day), up 13% from the previous period.

๐Ÿ›๏ธ
Foundational crate

21.2K crates depend on which โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

โœ…
Stable for 10+ years

The API has been stable (1.x) for over 10 years with 40 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 27KB, which is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include protobuf-parse, v8, runas, wasmer-compiler, wasmer. When high-quality crates choose which, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 17/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
591K/day avg+57%
0200K400K600K800K1.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v4.4.2
56%
v4.4.0
19%
v6.0.3
12%
v3.1.1
8%
v4.2.5
6%

Release Timeline

40 releases4 yankedsince 2015
J
F
M
A
M
J
J
A
S
O
N
D
2015
1
2016
3
2017
3
2018
4
2019
2
2020
4
2021
4
2022
4
2023
4
2024
6
2025
3
2026
2
Less
More|
Yanked

Feature Flags

default =["real-sys"]

regextracingreal-sys*

README

Loading README...

Maintainers

Dependencies
4
direct dependencies
Dependents
21.2K
crates depend on which

Similar Crates