Error in file(file, ifelse(append, "a", "w")) : cannot open the connection In addition: Warnin...

Error in file(file, ifelse(append, "a", "w")) :
cannot open the connection
In addition: Warning message:
In file(file, ifelse(append, "a", "w")) :
cannot open file 'tep.xls': Permission denied

将打开的文件关闭即可。

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