ExitCode fetches the numeric return code from the return of RunCommand.

New returns a new Execute object.

Run executes the given command using the prefix.

RunCommand executes the given command using the supplied Execute object.

WithShell receives a string command and returns an slice ready to be passed to Run or RunCommand with the current shell prepended to it.

Execute defines a struct to easily run external programs and capture their stdout and stderr.

Executor defines the interface used to run commands.

CallbackFunc represents callback functions functions for stdout/stderr output.