> install.packages("readxl") InternetOpenUrl failed: 'A connection withthe server could not be established' InternetOpenUrl failed: 'A connectionwith the server could not be establi
我想在一个变量中捕获install.packages命令的完整输出。但是,在安装过程中打印的消息是使用intern=FALSE调用system()的结果。因此,它们并不是真正的消息/警告/打印。whoami'))));或者:> bla <- suppressMessages(suppressWarnings(capture.output(install.packages