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mine-cetinkaya-rundel 2023-05-09 15:18:44 -04:00
parent b8e3256362
commit 9ef9685618
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12
strings.qmd
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@ -56,10 +56,12 @@ string2 <- 'If I want to include a "quote" inside a string, I use single quotes'
If you forget to close a quote, you'll see `+`, the continuation prompt: If you forget to close a quote, you'll see `+`, the continuation prompt:
> "This is a string without a closing quote ```
+ > "This is a string without a closing quote
+ +
+ HELP I'M STUCK IN A STRING +
+ HELP I'M STUCK IN A STRING
```
If this happens to you and you can't figure out which quote to close, press Escape to cancel and try again. If this happens to you and you can't figure out which quote to close, press Escape to cancel and try again.
@ -205,7 +207,7 @@ df |> mutate(greeting = str_glue("{{Hi {name}!}}"))
### `str_flatten()` ### `str_flatten()`
`str_c()` and `glue()` work well with `mutate()` because their output is the same length as their inputs. `str_c()` and `str_glue()` work well with `mutate()` because their output is the same length as their inputs.
What if you want a function that works well with `summarize()`, i.e. something that always returns a single string? What if you want a function that works well with `summarize()`, i.e. something that always returns a single string?
That's the job of `str_flatten()`[^strings-4]: it takes a character vector and combines each element of the vector into a single string: That's the job of `str_flatten()`[^strings-4]: it takes a character vector and combines each element of the vector into a single string: