parseQueryString
parseQueryString(str, nested = FALSE)
Arguments
str | The query string. It can have a leading "?" or not. |
---|---|
nested | Whether to parse the query string of as a nested list when it
contains pairs of square brackets [] . For example, the query
a[i1][j1]=x&b[i1][j1]=y&b[i2][j1]=z will be parsed as list(a =
list(i1 = list(j1 = 'x')), b = list(i1 = list(j1 = 'y'), i2 = list(j1 =
'z'))) when nested = TRUE , and list(`a[i1][j1]` = 'x',
`b[i1][j1]` = 'y', `b[i2][j1]` = 'z') when nested = FALSE . |
Description
Returns a named list of key-value pairs.
Examples
$foo
[1] "1"
$bar
[1] "b a r"
## Not run: ------------------------------------
# # Example of usage within a Shiny app
# shinyServer(function(input, output, clientData) {
#
# output$queryText <- renderText({
# query <- parseQueryString(clientData$url_search)
#
# # Ways of accessing the values
# if (as.numeric(query$foo) == 1) {
# # Do something
# }
# if (query[["bar"]] == "targetstring") {
# # Do something else
# }
#
# # Return a string with key-value pairs
# paste(names(query), query, sep = "=", collapse=", ")
# })
# })
## ---------------------------------------------