adding R modulefile for a new version of 3.5.3

envfiles/R/3.5.3.modified

+#%Module######################################################################
+#
+# 20210520 R-3.5.3 updated modulefile
+#
+
+proc ModulesHelp { } {
+puts stderr "This modulefile defines the library paths and"
+puts stderr "include paths needed to use R-3.5.3"
+puts stderr "The program R-3.5.3"
+puts stderr "is added to PATH."
+}
+
+set rel [uname release]
+global prodlist
+set    prodlist { singularity/3.7.3 }
+
+
+set is_module_rm [module-info mode remove]
+
+catch {set modulehomes $env(MODULEPATH)}
+if { [ module-info mode load ] } {
+  foreach prod $prodlist {
+    foreach mfilehome [ split $modulehomes :] {
+      if { [file exists $mfilehome/$prod] } {
+        module load $prod
+      }
+    }
+  }
+}
+
+if { [ module-info mode remove ] } {
+  foreach prod $prodlist {
+    foreach mfilehome [ split $modulehomes :] {
+      if { [file exists $mfilehome/$prod] } {
+        module unload $prod
+	unset-alias R
+	unset-alias Rscript
+      }
+    }
+  }
+}
+
+
+set R_LEVEL 3.5.3
+
+# aliases not passing through SGE. Would need to source a file...
+prepend-path PATH  /share/apps/sing-images/3.7.3
+
+append-path  PE_PRODUCT_LIST  R-$R_LEVEL