But the Australian has refused to discuss his prospects of earning the job permanently.
Six Nations highlights: Scotland 12-8 Ireland
"Let's not get too far ahead of ourselves," he said. "I will sit down with the board at the end of the tournament and decide what is best for Scotland."
Scotland number eight
praised an "incredible defensive performance" from his team as Ireland enjoyed 78% of possession and 80% of territory before the break.
"It shows we can bend but we just don't crack," he said.
who converted all four of his penalty attempts, said Scotland took confidence from Ireland's inability to open up a commanding lead.
"We hardly touched the ball in attack in the first half and it was only 3-0," said the Edinburgh scrum-half. "We said at half-time 'if we can get hold of the ball, we can do some damage'. We did that and we were able to keep them out again."
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