surfraw
命令手册CLI to query a variety of web search engines. Consists of a collection of elvi, each of which knows how to search a specific website. More information: http://surfraw.org.
surfraw -elvi
surfraw {{elvi}} "{{search_terms}}"
surfraw {{elvi}} -local-help
surfraw {{elvi}} {{elvi_options}} "{{search_terms}}"
surfraw -print {{elvi}} "{{search_terms}}"
sr {{elvi}} "{{search_terms}}"