rdoc <- readLines('c:/r4r/rdoc.Rmd', encoding = 'UTF-8') for(k in 1:7) { newrmd <- paste('c:/r4r/', k, '.Rmd', sep = '') rdoc[13] <- paste('i <-', k) writeLines(rdoc, newrmd, useBytes = TRUE) rmarkdown::render(newrmd, encoding = 'UTF-8') }