ifnerror: If-else Wrapper for Errors

In RaphaelS1/RSmisc: Miscellaneous Helper Functions for R

Description

Tests if an expression evaluates to an error, if so calls stopwarn otherwise does whatever is given as argument.

Usage

ifnerror(expr, noerror, error = "warn", silent = T)

Arguments

expr	expression to test for error.
noerror	expression to be called if no error.
error	one of 'warn' or 'stop', passed to stopwarn.
silent	logical, if TRUE (default) then error returned silently.

Details

Tests for an error or nerror (no error) from given expression. If an error is found then either returns NULL with warning or breaks code. If nerror then returns the given expression.

See Also

stopwarn

Examples

## Not run: 
ifnerror(1/2,print("Success"))
ifnerror(1/"a",print("Success"),"stop",silent = F)

## End(Not run)

RaphaelS1/RSmisc documentation built on June 7, 2019, 8:20 p.m.