[R] R function stopped working

peter dalgaard pdalgd at gmail.com
Tue Apr 4 11:21:36 CEST 2017

How about inserting print() statements on the output of "ls()" and the value of "filename". In particular, is the value of Plots_path the same as last week?


> On 4 Apr 2017, at 10:50 , DANIEL PRECIADO <danprec at hotmail.com> wrote:
> The following function is supposed to search the workspace and save
> plots  (i.e. listing all objects in the workspace named "Figs", which
> are all ggplot2 plots, and saving them as png files)
> SaveFigs <- function()
> {
> 	for (i in ls(pattern="_Figs_"))
> 	{
> 		filename = paste(Plots_Path, i, ".png", sep="")
> 		png(filename)
> 		print(eval(as.name(i)))
> 		dev.off()
> 	}
> }
> It was working perfectly until some days ago, but now nothing happens
> when the function is called. No error, no output, no result, no files,
> nothing at all. Completely useless.
> If I run the for loop inside alone, without the function, it works
> perfectly and produces the expected result (png files in the defined
> folder). But running it as a function doesn't do anything at all.
> Can anyone explain why did this function simply and suddenly stopped
> working?
> (using R version 3.3.3 on an ubuntu 16.10, if that is of any help)
> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.

Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

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