rbind with partially overlapping column names

df2[,setdiff(names(df1),names(df2))] <- NA
df1[,setdiff(names(df2),names(df1))] <- NA
df3 <- rbind(df1,df2)
df3

Hello,

I would like to merge two data frames with partially overlapping column
names with an rbind-like operation.

For the follow data frames,

df1 <- data.frame(a=c("A","A"),b=c("B","B"))
df2 <- data.frame(b=c("b","b"),c=c("c","c"))

I would like the output frame to be (with NAs where the frames don't
overlap)

a      b     c
A     B     NA
A     B     NA
NA   b     c
NA   b     c

I am familiar with ?merge and ?rbind, but neither seem to offer a means to
accomplish this.

Thanks in advance.

Jonathan

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