func ExampleSymbolResponse() {
// This block is optional
quandl.ApiKey = apiKey
quandl.CacheHandler = filecache.Handler{Life: 60}
v := quandl.Options{}
v.Set("trim_start", "2014-01-01")
v.Set("trim_end", "2014-02-02")
// ---
data, err := quandl.GetSymbol("WIKI/MSFT", v)
if err != nil {
panic(err)
}
fmt.Println(data.ColumnNames[0], "...")
fmt.Println(data.Errors)
fmt.Println(data.Id)
fmt.Println(data.SourceName)
fmt.Println(data.SourceCode)
fmt.Println(data.Code)
fmt.Println(data.Name[:20], "...")
fmt.Println(data.UrlizeName[:20], "...")
fmt.Println(data.DisplayUrl)
fmt.Println(data.Description[:20], "...")
fmt.Println(data.UpdatedAt[:3], "...")
fmt.Println(data.Frequency)
fmt.Println(data.FromDate)
fmt.Println(data.ToDate[:3], "...")
fmt.Println(data.Private)
fmt.Println(data.Type)
fmt.Println(data.Premium)
fmt.Println(data.Data[0][1])
// Output:
// Date ...
// map[]
// 9775827
// Wiki EOD Stock Prices
// WIKI
// MSFT
// Microsoft Corporatio ...
// Microsoft-Corporatio ...
// http://www.quandl.com/WIKI/MSFT
// End of day open, hig ...
// 201 ...
// daily
// 1986-03-13
// 201 ...
// false
//
// false
// 36.95
}
// getOptions converts command line flags to quandl query string options
func getOptions(a map[string]interface{}, names ...string) quandl.Options {
opts := quandl.Options{}
for _, n := range names {
key := string("--" + n)
if a[key] != nil {
if v, ok := a[key].(string); ok {
opts.Set(n, v)
} else if v, ok := a[key].(bool); ok {
if v {
opts.Set(n, "true")
}
}
}
}
return opts
}
func ExampleGetSymbol() {
// This block is optional
quandl.ApiKey = apiKey
quandl.CacheHandler = filecache.Handler{Life: 60}
v := quandl.Options{}
v.Set("trim_start", "2014-01-01")
v.Set("trim_end", "2014-02-02")
// ---
data, err := quandl.GetSymbol("WIKI/AAPL", v)
if err != nil {
panic(err)
}
fmt.Printf("Symbol: %v, Row Count: %v\n", data.Code, len(data.Data))
fmt.Printf("Fifth column is named %v\n", data.ColumnNames[4])
fmt.Printf("On %v the close price was %v\n", data.Data[1][0], data.Data[1][4])
// Output:
// Symbol: AAPL, Row Count: 21
// Fifth column is named Close
// On 2014-01-30 the close price was 499.78
}
func ExampleToColumns() {
// This block is optional
quandl.ApiKey = apiKey
quandl.CacheHandler = filecache.Handler{Life: 60}
v := quandl.Options{}
v.Set("trim_start", "2014-01-06")
v.Set("trim_end", "2014-01-08")
v.Set("column", "4")
// ---
data, err := quandl.GetSymbol("WIKI/AAPL", v)
if err != nil {
panic(err)
}
d := quandl.ToColumns(data.Data)
fmt.Println(d)
// Output:
// [[2014-01-08 2014-01-07 2014-01-06] [543.46 540.04 543.93]]
}
func ExampleSymbolResponse_ToNamedColumns_2() {
// This block is optional
quandl.ApiKey = apiKey
quandl.CacheHandler = filecache.Handler{Life: 60}
v := quandl.Options{}
v.Set("trim_start", "2014-01-06")
v.Set("trim_end", "2014-01-07")
v.Set("column", "11")
// ---
data, err := quandl.GetSymbol("WIKI/AAPL", v)
if err != nil {
panic(err)
}
d := data.ToNamedColumns([]string{"date", "close"})
fmt.Println(d["date"], d["close"])
// Output:
// [2014-01-07 2014-01-06] [75.561212341336 76.105492609478]
}
func ExampleGetSymbolRaw() {
// This block is optional
quandl.ApiKey = apiKey
quandl.CacheHandler = filecache.Handler{Life: 60}
v := quandl.Options{}
v.Set("trim_start", "2014-01-01")
v.Set("trim_end", "2014-01-06")
v.Set("column", "4") // Close price only
// ---
data, err := quandl.GetSymbolRaw("WIKI/AAPL", "csv", v)
if err != nil {
panic(err)
}
fmt.Println(string(data))
// Output:
// Date,Close
// 2014-01-06,543.93
// 2014-01-03,540.98
// 2014-01-02,553.13
}