README
¶
_ _
|_ _ |_ _. ._ _ _ |_) _. _|_ _
|_ >< (_ | | (_| | | (_| (/_ | \ (_| |_ (/_
_|
A simple command-line tool to query exchange rate.
Installation
Homebrew
brew tap timothyye/tap
brew install timothyye/tap/exchangerate
Using Go
go get github.com/TimothyYe/exchangerate/cmd/er
Manual Installation
Download it from releases and extact it to /usr/bin or your PATH directory.
Get API Key
- Visit https://free.currencyconverterapi.com/free-api-key and get your free API key.
- Save your API key into
~/.erfile.
Your .er file may looks like:
→ cat ~/.er
15d684b456848e2da877
Usage
% er -h
Exchange Rate V1.2
https://github.com/TimothyYe/exchangerate
NAME:
Exchange Rate - A simple command-line tool to query exchange rate
USAGE:
er [from currency] [amount] [to currency]
VERSION:
1.2
EXAMPLES:
er USD Query USD and show exchange rate for common used currencies.
er USD 40.98 Query USD with amount 40.98, and show the equal amount of other currencies.
er USD 12 CNY,JPY Query USD with amount 12 and show the equal amount of specified currencies.
GLOBAL OPTIONS:
--help, -h show help
--version, -v print the version
Licence
Documentation
¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
Types ¶
type RateHelper ¶
type RateHelper struct {
APIKey string
Amount float32
FromCurrency string
ToCurrency []string
Result map[string]string
// contains filtered or unexported fields
}
RateHelper struct definition
func NewRateHelper ¶
func NewRateHelper() *RateHelper
NewRateHelper creates and return a new rate helper struct
func (*RateHelper) Query ¶
func (helper *RateHelper) Query()
Query function, queries different exchange rates and return the results
func (*RateHelper) SaveResult ¶
func (helper *RateHelper) SaveResult(key, value string)
SaveResult saves rate into internal map
Source Files
Directories
Click to show internal directories.
Click to hide internal directories.