testRversion {pkgmaker}

Testing R Version

Description

Compares current R version with a given target version, which may be useful for implementing version dependent code.

Usage

testRversion(x, test = 1L)

Arguments

x

target version to compare with.

test

numeric value that indicates the comparison to be carried out. The comparison is based on the result from utils::compareVersion(R.version, x):

• 1: is R.version > x?

• 0: is R.version = x?

• -1: is R.version < x?

Value

a logical

Examples

testRversion("2.14")
testRversion("2.15")
testRversion("10")
testRversion("10", test = -1)
testRversion("< 10")
testRversion(Rversion())
testRversion(paste0('=', Rversion()))