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rpipe

Piping second or higher argument in native pipe

by magrittr's pipe (%>%) this code works;

library(dplyr)

set.seed(1)

a <- sample(LETTERS[1:30],5)

a %>% gsub('A','-',x = .)

but in R's native or "built in" pipe I can't pipe with dot, this one doesn't work;

set.seed(1)

a <- sample(LETTERS[1:30],5)

a |> gsub('A','-',x = .)

How can we pass non-first arguments by native R pipe ?

Solution

  • The R pipe passes the supplied object to the first unnamed argument. If you name the other arguments, it will be passed correctly. For gsub(), this looks like the following:

    a |> gsub(pattern = 'A', replacement = '-')
# "Y" "D" "G" "-" "B"