I ran into this behaviour when accidentally running a line of code that I
shouldn't have.
When saving over an rds with an object that's not found, I would have
expected saveRDS to not touch the file.
saveRDS(iris, "test.rds")
file.size("test.rds")
#> [1] 1080
saveRDS(no_object_here, "test.rds")
#> Error in saveRDS(no_object_here, "test.rds"): object 'no_object_here'
not found
file.size("test.rds")
#> [1] 20
file.remove("test.rds")
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