Shows BTC balance of specified wallet address(es).
go get github.com/theanine/bitbalance
go run $GOPATH/src/github.com/theanine/bitbalance/bitbalance.go <addr>...
Or from source:
go build && ./bitbalance <addr>...
bitbalance also accepts a text file as input (with each line as an address):
go build && ./bitbalance <file>...
The conf.toml file allows you to specify a local currency of your choice.