forex

Command line tool for converting between currencies using data from openexchangerates.org.

Requires a free openexchangerates.org API key to be set as the environment variable OER_APP_ID:

$ export OER_APP_ID=yourapikeyhere

Use

$ forex.py 1 GBP USD
1.676 USD

Also does historical end-of-day rate conversions from 1999 onwards:

$ forex.py 37 GBP USD -d 1999-03-27
60.090 USD