[R] sprintf question

From: Paul Roebuck <roebuck_at_mdanderson.org>
Date: Thu 04 May 2006 - 02:31:53 EST

How would one go about getting sprintf to use the values of a vector without having to specify each argument individually?

> v <- c(1, 2, -1.197114, 0.1596687)
> iv <- c(3, 1, 2, 4)
> sprintf("%9.2f\t%d\t%d\t%8.3f", v[3], v[1], v[2], v[4])
[1] " -1.20\t1\t2\t 0.160"

Essentially, desired effect would be something like:
> sprintf("%9.2f\t%d\t%d\t%8.3f", v[iv]) # wish it worked

SIGSIG -- signature too long (core dumped)

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