[R] Scanning data files line-by-line

R A F raf1729 at hotmail.com
Wed Apr 30 14:45:33 CEST 2003

Maybe I'm missing something.  When I do readLines( "file", n = 1) and
repeat, it always reads the first line of "file".  I've to be able to
advance to the next line, no?

I'll take a look at the command file(), as someone else suggested.


>From: Duncan Murdoch <dmurdoch at pair.com>
>To: "R A F" <raf1729 at hotmail.com>
>CC: R-help at stat.math.ethz.ch
>Subject: Re: [R] Scanning data files line-by-line
>Date: Wed, 30 Apr 2003 08:26:26 -0400
>On Wed, 30 Apr 2003 11:51:00 +0000, you wrote:
> >Hi all, is there a way to read a data file into R line-by-line, akin
> >to what fscanf does in C, say?
> >
> >It seems that "scan" and "read.table" both read the entire data file
> >in at once, whereas "readLines" allows one to read a file partially,
> >but doesn't quite read line-by-line either.
>That's what readLines(con, n=1) is supposed to do; in what way does it
>not quite work?

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