meo*_*eow 5 r character literals
典型例子:
path <- "C:/test/path" # great
path <- "C:\\test\\path" # also great
path <- "C:\test\path"
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错误:'\p' 是在以 ""C:\test\p" 开头的字符串中无法识别的转义
(当然 - \t 实际上是一个转义字符。)
是否有任何标记可用于将字符串视为逐字处理?或者可以编码吗?
在 Windows 中复制/粘贴路径名时会非常有用...
R 4.0.0 引入了原始字符串:
dir <- r"(c:\Program files\R)"
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https://stat.ethz.ch/R-manual/R-devel/library/base/html/Quotes.html
https://blog.revolutionanalytics.com/2020/04/r-400-is-released.html