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Thank you for your help in advance. I am trying to pull some data back from a web service library(httr) sample2 <- GET("https://elevation.mapzen.com/height?json={\"range\":false,\"shape\":[{\"lat\":40.7,\"lon\":-76.5}]}&api_key=mycode") result2 <- content(sample2) height <- result2$height[[1]] I would like to put by own latitude and longitude in but alas when I use paste() to combine...

...etting contaminated by the mailing list "fixing" this mistake on your part. This may completely obstruct your meaning in future questions, and only you can avoid this by using your email software properly. ######## lat <- 40.7 lon <- -76.5 tstring1 <- "https://elevation.mapzen.com/height?json={\"range\":false,\"shape\":[{\"lat\":40.7,\"lon\":-76.5}]}&api_key=mycode" cat( tstring1, "\n" ) # output on its own line #> https://elevation.mapzen.com/height?json={"range":false,"shape":[{"lat&...