我只想在启动R 时自动运行R脚本 example.r 我正在使用 R版本3.2.3
I just want to run an R script example.r automatically when I start R I am using R version 3.2.3 on centOS
我搜索了这个,但我不知道。
I searched for this but I couldn't figure that out.
推荐答案R的启动行为可以通过编辑 Rprofile.site ,这可能需要创建,因为默认的R安装不会自动为您执行此操作。在CentOS 7上,此文件应位于目录 / usr / lib64 / R / etc / 中;或更普遍的是 $ R_HOME / etc / ,其中 R_HOME 可以通过运行 Sys来确定。 R会话中的getenv( R_HOME)。
The startup behavior of R can be modified by editing Rprofile.site, which may need to be created, as the default R installation does not do this for you automatically. On CentOS 7, this file should be located in the directory /usr/lib64/R/etc/; or more generally $R_HOME/etc/, where R_HOME can be determined by running Sys.getenv("R_HOME") from an R session.
例如,如果我按如下方式修改 Rprofile.site
For example, if I modify my Rprofile.site as follows,
[nathan@xxx] cat /tmp/example.r x <- 1.5 y <- 2.5 z <- 3.5 t <- Sys.time() [nathan@xxx] cat /usr/lib64/R/etc/Rprofile.site options(prompt = "R> ") options(continue = " ") options(stringsAsFactors = FALSE) options(scipen = 4) source("/tmp/example.r")更改将反映在新的R会话中:
the changes will be reflected in a new R session:
尽管在在此示例中,习惯上将此类代码包装在中。首先<-function(){...} 以确保其在会话启动后立即运行:
Although apparently not necessary in this example, it is customary to wrap such code in .First <- function() { ... } to ensure that it is run immediately upon session startup:
[nathan@xxx] cat /usr/lib64/R/etc/Rprofile.site options(prompt = "R> ") options(continue = " ") options(stringsAsFactors = FALSE) options(scipen = 4) .First <- function() { source("/tmp/example.r") }更多推荐
在R启动时运行R脚本
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