[R] re : R help from command line

[romain . francois]

Hello, 

I have this script in my PATH : 

<file>
#!/bin/env Rscript

args <- commandArgs( TRUE )
if( length( args ) == 1 ){
        h <- help( args )
} else if( length(args) == 2 ) {
        h <- help( args[2] , package = args[1] )
} else{
        stop( "usage: rman [package] function\n" )
}

system( sprintf( "less %s", h[1] ) )
</file>

which I can call like this: 

$ rman rnorm 
$ rman lattice xyplot

HTH, 

Romain

Message du : 11/08/2009
De : "Peng Yu" 
A : r-h...@stat.math.ethz.ch
Copie à : 
Objet : [R] R help from command line




Hi,

I frequently need to open multiple help pages in R, which requires the
start of multiple R sessions. I am wondering if there is a way to
invoke the help page from the command line just like 'man'.

Regards,
Peng

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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.