Proposal

Chews through your system dependencies, spitting out incompatible versions.

Install

$ pip install verchew

Configure

[Python]

cli = python
version = Python 3.5.

[R]

cli = R
version = R version 3.

[Redis]

cli = redis-server
version = Redis server v=3.2.

web = http://localhost:6379

Run

$ verchew

Checking the version of Python...

$ python --version
Python 3.5.2
✔ MATCHED: Python 3.5.

Checking the version of R...

$ R --version
R version 2.5
✖ EXPECTED: R version 3.

Checking the version of Redis...

$ redis-server --version
Redis server v=3.2.1
✔ MATCHED: Redis server v=3.2.1
$ ping http://localhost:6379
✔ FOUND

Results: ✔ ✖ ✔ ✔