Usage:
paste (…, sep = " ", collapse = NULL)
paste0(…, collapse = NULL)
paste()只是通过串联各个值来创建一个字符串,并使用空格作为默认分隔符:
write.table(mydata, file = paste("./output/", cn ,"data.txt", sep =""))
或使用paste0(...)等效于paste(..., sep =""):
write.table(mydata, file = paste0("./output/", cn ,"data.txt"))