library(here)
library(readr)
library(stringr)

file_survey <- here("my_survey_2019.rds")

my_read_rds <- function(file){
  name <- deparse(substitute(file))
  name <- stringr::str_remove(name, "^file_")
  eval(name) <- readr::read_rds(file) # Does not work
}

my_read_rds(file_survey) # would ideally create a dataframe named `survey`