withOptions

From R.utils v1.32.4 by Henrik Bengtsson

Evaluate an R expression with options set temporarily

Evaluate an R expression with options set temporarily.

Keywords: programming, IO

Usage

withOptions(expr, ..., args=list(), envir=parent.frame())

Arguments

expr: The R expression to be evaluated.
...: Named options to be used.
args: (optional) Additional named options specified as a named list.
envir: The environment in which the expression should be evaluated.

Value

Returns the results of the expression evaluated.

Examples

print(pi)

# Same, i.e. using default
withOptions({
  print(pi)
})

# Printing with two digits
withOptions({
  print(pi)
}, digits=2)

# Printing with two digits then with three more
withOptions({
  print(pi)
  withOptions({
    print(pi)
  }, digits=getOption("digits")+3)
}, digits=2)

# Still printing with the default
print(pi)

Documentation reproduced from package R.utils, version 1.32.4, License: LGPL (>= 2.1)

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