Re: [R] Read Windows-like .INI files into R data structure?

From: Gabor Grothendieck <ggrothendieck_at_gmail.com>
Date: Tue, 12 Jun 2007 13:42:09 -0400

Here is some code. It replaces [ and ] with = sign and reads the result into a data frame, DF. DF2 is similar except the section is now in V3. DF3 is like like DF2 except sections are carried forward and finally we remove the rows which only had sections.

Lines.raw <- "[Section1]
var1=value1
var2=value2
[Section2]
A=value3
B=value4
"

Lines <- readLines(textConnection(Lines.raw))

Lines2 <- chartr("[]", "==", Lines)
DF <- read.table(textConnection(Lines2), as.is = TRUE, sep = "=", fill = TRUE)
DF2 <- transform(DF, V3 = ifelse(V1 == "", V2, NA))
L <- !is.na(DF2$V3)
DF3 <- transform(DF2, V3 = V3[c(NA, which(L))[cumsum(L)+1]]) subset(DF3, V1 != "")

The result is:

    V1 V2 V3
2 var1 value1 Section1
3 var2 value2 Section1
5 A value3 Section2
6 B value4 Section2

On 6/12/07, Earl F. Glynn <efg_at_stowers-institute.org> wrote:
> I need to process some datasets where the configuration information was
> stored in .INI-like files, i.e., text files with sections like this:
>
> [Section1]
> var1=value1
> var2=value2
> [Section2]
> A=value3
> B=value4
>
> ...
>
> >From Google and other searches I haven't found any package, or function
> within a package, that reads .INI files into an R list, or other data
> structure.
>
>
>
> Any suggestions, or do I need to write my own?
>
> efg
>
> Earl F. Glynn
> Stowers Institute for Medical Research
>
> ______________________________________________
> R-help_at_stat.math.ethz.ch mailing list
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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.
>



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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Tue 12 Jun 2007 - 17:54:09 GMT

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