Download a file keeping original filename when final link is hidden

Question

I need to download a file, save it in a folder while keeping the original filename from the website.

url <- \"http://www.seg-social.es/prdi00/idcplg?IdcSe         


        

Answer 1

You could always do something like:

library(httr)
library(stringr)

# alternate way to "download.file"
fil <- GET("http://www.seg-social.es/prdi00/idcplg?IdcService=GET_FILE&dID=187112&dDocName=197533&allowInterrupt=1", 
           write_disk("tmp.fil"))
# get what name the site suggests it shld be
fname <- str_match(headers(fil)$`content-disposition`, "\"(.*)\"")[2]
# rename
file.rename("tmp.fil", fname)