gitignore

.gitignore

+# Ignore everything
+*
+
+# Don't ignore directories, so we can recurse into them
+!*/
+
+# Don't ignore .gitignore and *.foo files
+!.gitignore
+!*.Rmd
+!*.sh
+!*.md
+!*.R
+!README*
+
+# ignore files start with _
+._*
+
+# ignore files in archive
+*archive/*