R (CRAN) Application Analysis

The CRAN coordinate-based matching feature provides the ability to scan and evaluate R language dependencies found in a cran-installed.packages file.

Files named cran-installed.packages (exported via installed.packages() command in CRAN console) will be analyzed.

Here is an example of how to export the installed CRAN package name and version into a file using CRAN console.

sink("/path/to/cran-installed.packages")
installed.packages()[,c(1,3:4)]

What do we parse from the file?

The segments corresponding to the package name and version of the dependency are evaluated. For example:

                Package        Version
crosstalk       "crosstalk"    "1.0.0"

Steps to analyze

Invoke a scan of a directory or subdirectories containing a cran-installed.packages file.

Example cran-installed.packages file (file is edited for clarity)

                Package         Version
crosstalk       "crosstalk"     "1.0.0"
readxl          "readxl"        "1.0.9"
widgetframe     "widgetframe"   "0.9.0"

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