How to order a character vector in ascend form in R

Question

Hi everybody I am trying to solve a problem in R. I want to read a lot of files allocated in multiples sub folders in a main folder. Then I used list.files() t

Answer 1

There are a few ways to do this. Here's another one:

b <- c("A1","A10","A11","A12","A13","A14","A15","A2","A3","A4","A5","A6","A7")
b[order(nchar(b), b)]
# [1] "A1"  "A2"  "A3"  "A4"  "A5"  "A6"  "A7"  "A10" "A11" "A12" "A13" "A14" "A15"