[sed] Remove empty string.
[sed] Remove empty string.

sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets,sgkim126/snippets