[R] source() fails in same directory as script: cannot find file

Ista Zahn |@t@z@hn @end|ng |rom gm@||@com
Fri Oct 26 20:06:13 CEST 2018

Hi Rich,

I'm confused. It seems the error is that the file can't be found; if
so, what does it matter what is in the file?

As far as I can see you are either not in the directory you think you
are, or b) the file is not named what you think it is.

On Fri, Oct 26, 2018 at 12:30 PM Rich Shepard <rshepard using appl-ecosys.com> wrote:
>    I'm not seeing my error even after reading ?source and a couple of web
> fora threads. Running R-3.5.1 on Slackware-14.2.
>    The scripts/ directory has the file 'input-summarize.R' with these lines:
> sites <- read.table('../data/stations.dat', header=T, sep=',', stringsAsFactors=T)
> sink('../analyses/location-summaries.txt')
> print(summary(sites)
> sink(NULL)
> hg_conc <- read.table('../data/concentrations.dat', header=T, sep=',', stringsAsFactors=T)
> hg_conc$sampdate <- as.Date(as.character(hg_conc$sampdate))
> sink('../analyses/concentration-summaries.txt')
> print(summary(hg_conc)
> sink(NULL)
>    Sourcing the script within the same directory (confirmed using getwd())
> fails with this error message:
> > source('input-summarize.R')
> Error in file(filename, "r", encoding = encoding) :
>    cannot open the connection
> In addition: Warning message:
> In file(filename, "r", encoding = encoding) :
>    cannot open file 'input-summarize.R': No such file or directory
>    I've used this same syntax to source scripts within the past month and
> would like to understand this error so I can fix it now and avoid it in the
> future.
> TIA,
> Rich
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