[问题类型]: 我有两个不同年份的问卷调查公司档案 file1.txt 跟 file2.txt 分别如下： file1.txt file2.txt ABCNews ABC News/Washington Post AbtSRBI American Research Group Angus American Strategies ARG Angus Reid Global ArizonaStateU Anzalone Liszt Grove Research AtlantaJournal Arizona State University BrownU Associated Industries of Florida CallFire Baldwin Wallace University CapitalSurvey Ball State University CastletonStateColl Baruch College ChilenskiStrategies Basswood Research ChristopherNewportU Bellwether Research & Consulting CiruliAssoc Bendixen & Amandi International ColumbusDispatch Castleton University CriticalInsights CBS News/New York Times Cherry Communications Christopher Newport University Clarity Campaign Labs Cole Hargrave Snodgrass & Associates Columbus Dispatch 我希望把 file2.txt 底下的公司名称根据 file1.txt 的名称做取代如下 ABC News/Washington Post => ABC News Angus Reid Global => Angus Arizona State University => ArizonaStateU Christopher Newport University => ChristopherNewportU Columbus Dispatch => ColumbusDispatch 如果没有对应到的公司名称就维持不变。 我想请问除了用 gsub 的方式之外，还有没有什麽比较简单的方法可以做这件事情？ --

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