Nothing
Code
write_if_different(path, "a <- 2")
Message
Writing 'test.R'
Output
[1] TRUE
Code
write_if_different(path, "a <- 2")
Condition
Warning:
Skipping 'test.R'
x It already exists and was not generated by roxygen2.
Output
[1] FALSE
Code
write_if_different(path, "a <- 2")
Condition
Warning:
Skipping '+.R'
x Invalid file name
Output
[1] FALSE
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