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korvike/func_env.go
2016-07-31 21:13:01 +02:00

16 lines
263 B
Go

package main
import "os"
func init() {
registerFunction("env", func(name string, v ...string) string {
defaultValue := ""
if len(v) > 0 {
defaultValue = v[0]
}
if value, ok := os.LookupEnv(name); ok {
return value
}
return defaultValue
})
}