[R] re-direct to "more" or "less"

[Peter Dalgaard]

Søren Højsgaard <Soren.Hojsgaard at agrsci.dk> writes:

> No - not like page(). Page (on windows) gives
> 
> structure(list(Sepal.Length = c(5.1, 4.9, 4.7, 4.6, 5, 5.4, 4.6, 
> 5, 4.4, 4.9, 5.4, 4.8, 4.8, 4.3, 5.8, 5.7, 5.4, 5.1, 5.7, 5.1, 
> 5.4, 5.1, 4.6, 5.1, 4.8, 5, 5, 5.2, 5.2, 4.7, 4.8, 5.4, 5.2, .....
> 
> while the less() function below gives
> 
> Sepal.Length Sepal.Width Petal.Length Petal.Width Species
> 1 5.1 3.5 1.4 0.2 setosa
> 2 4.9 3 1.4 0.2 setosa
> 3 4.7 3.2 1.3 0.2 setosa
> 4 4.6 3.1 1.5 0.2 setosa
> ....


If all else fails, read the manual...: page() has a method= argument.
(It might not be a bad idea to switch the default, though).

> > -----Oprindelig meddelelse-----
> > Fra: pd at pubhealth.ku.dk [mailto:pd at pubhealth.ku.dk] På vegne 
> > af Peter Dalgaard
> > Sendt: 29. juni 2006 10:31
> > Til: Søren Højsgaard
> > Cc: Mike Wolfgang; R-help list
> > Emne: Re: [R] re-direct to "more" or "less"
> > 
> > Søren Højsgaard <Soren.Hojsgaard at agrsci.dk> writes:
> > 
> > > Something like
> > > 
> > > less <- function(a){
> > >   fn <- paste(tempdir(),"\\dataframe.txt",sep='',collapse='')
> > >   write.table(a, quote=F, file=fn)
> > >   system(paste("less ",fn))
> > > }
> > > 
> > > could perhaps help you (assuming that you have less on your 
> > computer). I agree that it would be very nice to have a 
> > built-in version...
> > 
> > 
> > Like page(), you mean... ?
> > 
> > :-)
> > 
> > (This goes via file.show, so Windows GUI users get a separate 
> > window, I suppose.) 
> > 
> > > Regards
> > > Søren
> > > 
> > >  
> > > 
> > > > -----Oprindelig meddelelse-----
> > > > Fra: r-help-bounces at stat.math.ethz.ch 
> > > > [mailto:r-help-bounces at stat.math.ethz.ch] På vegne af 
> > Mike Wolfgang
> > > > Sendt: 29. juni 2006 04:29
> > > > Til: R-help list
> > > > Emne: [R] re-direct to "more" or "less"
> > > > 
> > > > Dear list,
> > > > 
> > > > sometimes my function generates too much data and shows them on 
> > > > screen, i cannot view first several lines until program 
> > ends and I 
> > > > have to scroll my mouse up to get them. Is there any re-direction 
> > > > function in R to pipeline outputs to "more"
> > > > or "less" type functions?
> > > > Thanks
> > > > 
> > > > mike
> > > > 
> > > > 	[[alternative HTML version deleted]]
> > > > 
> > > > ______________________________________________
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> > 
> > -- 
> >    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
> >   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
> >  (*) \(*) -- University of Copenhagen   Denmark          Ph:  
> > (+45) 35327918
> > ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: 
> > (+45) 35327907
> > 
> 

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907