Duncan Murdoch wrote: > On 10/03/2009 4:40 PM, Wacek Kusnierczyk wrote: >> Duncan Murdoch wrote: >>> On 10/03/2009 4:15 PM, Wolfgang Raffelsberger wrote: >>>> Dear list, >>>> >>>> ?require says : >>>> "... |require| is designed for use inside other functions; it returns >>>> |FALSE| and gives a warning (rather than an error as |library()| does >>>> by default) if the package does not exist ..." >>>> >>>> However when I run the following code I don't get any TRUE / FALSE >>>> statements (but the warning only). >>> You never printed the value, so you didn't see it. (It was returned >>> marked invisible, i.e. not for printing.) >>> >> >> maybe it would help if the man page said 'returns invisibly' instead of >> 'returns'. > > It does.
indeed, though not where wolfgang quotes it above, hence my suggestion. sorry, my fault, should have checked. vQ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.