5 lines
170 B
R
5 lines
170 B
R
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top_and_tail <- function(s, top=TRUE, tail=TRUE) substr(s, 1+top, nchar(s)-tail)
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top_and_tail("xyzzy")
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top_and_tail("xyzzy", top=FALSE)
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top_and_tail("xyzzy", tail=FALSE)
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