#66 Ability to open link in cmd and powershell

cointop/common/open/open.go

@@ -1,3 +1,5 @@
+//+build !windows
+
 package open
 
 import (

cointop/common/open/open_win.go

@@ -0,0 +1,52 @@
+package open
+
+import (
+	"os/exec"
+)
+
+var openCmd string
+var possibleCmds = []string{
+	"Start-Process", // windows
+}
+
+var possibleShells = []string{
+	"powershell.exe",
+	"explorer.exe",
+}
+
+var mainShell string
+
+func init() {
+	for _, sh := range possibleShells {
+		shell, err := exec.LookPath(sh)
+		if err != nil {
+			continue
+		}
+
+		mainShell = shell
+		break
+	}
+
+	for _, cmd := range possibleCmds {
+		err := exec.Command(mainShell, "Get-Command", cmd).Run()
+		if err != nil {
+			continue
+		}
+
+		openCmd = cmd
+		break
+	}
+}
+
+// URL open url
+func URL(s string) error {
+	if openCmd != "" {
+		return exec.Command(mainShell, openCmd, s).Run()
+	}
+	return nil
+}
+
+// CommandExists returns true if an 'open' command exists
+func CommandExists() bool {
+	return openCmd != ""
+}