Send a text message via email from R

gmailr-text.R

library(shiny)
library(gmailr)

ui <- fluidPage(
  textInput("subj", "Subject", "Schedule change"),
  textInput("text", "Message"),
  actionButton("btn", "Send")
)

server <- function(input, output, session) {
  observeEvent(input$btn, {
    test_email <- mime() %>%
      to(c("youremail@gmail.com", "anotheremail@gmail.com")) %>%
      html_body(input$text) %>%
      subject(input$subj)
      # attach_file("file.txt")
    
    test_email <- sub("Content-Disposition: inline\r\n--","Content-Disposition: inline\r\n\r\n--", as.character(test_email))
    
    ret_val <- send_message(test_email)
  })
}

shinyApp(ui = ui, server = server)