--- /dev/null
+# pkgdev: help to develop R packages
+
+## Basic usage
+
+ #Install and load library
+ R CMD INSTALL path/to/pkgdev/folder
+ library(pkgdev) #inside R
+
+ #load some package (with its datasets)
+ pkgpath = "path/to/some/package"
+ pkgdev.load(pkgpath) #this command also reload package
+
+ #test it (if unit tests defined under tests/ subfolders)
+ pkgdev.rtest(pkgpath) ; pkgdev.ctest(pkgpath)
+
+ #you can also run its functions
+ foo(...) ; bar(...)
+
+ #...and so on
+
+ #finally, unload package
+ pkgdev.unload(pkgpath)</code></pre>
+
+Try also pkgTest/ testing package.