问题描述
我使用 pipe 在 Mac OSX 10.9.5 上的 Rstudio (v0.99.467) 和 Excel 之间复制和粘贴数据.
I have used pipe to copy and paste data between Rstudio (v0.99.467) and Excel on my Mac OSX 10.9.5.
pipe("pbcopy", "w")
pipe("pbpaste")
有一段时间，我尝试使用 pipe("pbcopy", "r")，但 Rstudio 没有响应(因为我的代码错误).过了一会儿，我发现 Cmd + C/V 不再在编辑器中工作(但它仍然在 R 控制台中工作).我重新安装了R-studio，去掉了.rstudio-desktop，问题依旧.有谁知道发生了什么?我可以删除存储 Rstudio 快捷方式首选项的 .bash 文件吗(假设重新安装不会删除它)?顺便说一句，Rstudio 中的快捷方式 .bash 文件在哪里?
For some time, I tried to use pipe("pbcopy", "r"), but Rstudio is not responding (because my code is wrong). After a while, I found Cmd + C/V is not working in the editor any more (but it still works in the R console). I re-install R-studio, removed .rstudio-desktop, the problem still exists. Does anyone know what is going on? Can I remove the .bash file that stores the Rstudio shortcut preferences (assuming re-install won't delete it)? BTW, where is the shortcut .bash file in Rstudio?
推荐答案
在使用 R 3.5.1 的 OSX Mojave 上，您可以使用以下块来捕获剪贴板:
On OSX Mojave using R 3.5.1, you can use the following block to capture the clipboard:
clipboard <- system("pbpaste", intern = T)
我还可以确认以下块正在工作:
I can also confirm that the following block is working:
clipboard <- scan(pipe("pbpaste", "r"), what = character())
然而，连接有时很难处理.例如:
However, connections are sometimes tricky to work with. For example:
clipboard <- readLines(pipe("pbpaste", "r"))
返回一个空字符向量，可能是因为剪贴板中没有换行符！
Returns an empty character vector, likely because there's no newline terminator in the clipboard!
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