Search for the README.md file when help is asked for.

1 files changed, 10 insertions, 0 deletions

diff --git a/PolygLua.lua b/PolygLua.lua
index 5305872..e4cf6db 100755
--- a/PolygLua.lua
+++ b/PolygLua.lua
@@ -42,6 +42,16 @@ local optionsCommon =
 {
     help =      {help = 'Print the help text.',
         func = function(self, options, a, args, i)
+            for i,v in ipairs{'/usr/share/doc/', '/usr/local/share/doc/', './'} do
+                local p = v .. 'README.md'
+                local h = io.open(p, 'r')
+                if nil ~= h then
+                    D('Found README file '.. p)
+                    Help = h:read('*a')
+                    h:close()
+                end
+            end
+
             print(Help)
             _.usage(args, options, true)
             os.exit(0)