ggsave nested ggplots

Hi all

With regards an earlier post of mine: purrr + ggplot: How to add titles

I was able to create a nested tibble of ggplots and print them, but I don't seem to be able to save them to .png

I am using the following

walk2(my_graphs$graph_title, my_graphs$graphs,
    ~ggsave(filename = paste0(.x, ".png"), plot = .y))

and get the following output in the console:
Saving 8.96 x 5.56 in image
Saving 8.96 x 5.56 in image
Saving 8.96 x 5.56 in image
Saving 8.96 x 5.56 in image

but nothing actually saves

This is due to the special characters in the titles, that are not accepted in filenames. It seems to work if I use this title2 as filename: title2 = str_replace(graph_title, " : ", "_") (on Windows 10; it could be system-dependent).

1 Like

Ah thank you! I was focused on the wrong part of the code

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