readme

README.md

@@ -64,6 +64,7 @@ Ensure to use a clean cache if other repos have been used before, i.e. call `pak
 ## Platforms
 
 The following platforms are supported:
+
 - RHEL9
 
 ## Lessons learned
@@ -71,3 +72,17 @@ The following platforms are supported:
 - Newer R versions have issues compiling C code from older package Versions. Using an older R version to build the binaries is recommended.
 - R 4.0.5 is used to build all binaries for R 4.x
 - Binaries which cannot be built using R 4.0.5 often also require older system library or compiler versions and are out of scope for this project.
+
+
+## Platforms 
+
+- Identifier must match the ones used in <https://github.com/rstudio/r-system-requirements> to be picked up correctly by the automatic syslib dependency installer of `pak`, more specifically by the env var `PKG_SYSREQS_PLATFORM`
+
+## Helpers
+
+Check the row number of a package by name
+
+```r
+pkgs = tools::CRAN_package_db()
+which(pkgs$Package == "ABCanalysis")
+```