osutil

func CommandExists ¶

func CommandExists(command string) bool

CommandExists checks for an executable in the PATH env variable

func FileExists ¶

func FileExists(filePath string) bool

FileExists checks if filePath exists on the disk

func RunCommand ¶

func RunCommand(command string) error

RunCommand runs a command and prints the output to stdout and error to stderr.

See https://golang.org/pkg/os/exec/#Cmd.Run for return values