[R] system() not accepting strings from cat()

Hi again R-ists, How do you construct a string that you can pass to system()? For instance. Say I do > system("echo Hello!") Hello! That works. Now the alternative: I need to construct the string like this > a <- "echo" > b <- "Hello!" > c <- "\n" > cat(a, b, c) echo Hello! Looks nice... but

[R] File permissions

Hello fellow R-ists, How do I change file permissions? I know that file.access can display permission information but how do I SET those permissions? Thank you Your culpritNr1 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/lis