1 files changed, 66 insertions, 0 deletions
diff --git a/Data/Libraries/Penlight/run.lua b/Data/Libraries/Penlight/run.lua
new file mode 100644
index 0000000..3d637e7
--- /dev/null
+++ b/Data/Libraries/Penlight/run.lua
@@ -0,0 +1,66 @@
+-- Running tests and/or examples.
+local lfs = require "lfs"
+
+local directories = {}
+local luacov = false
+
+for _, argument in ipairs(arg) do
+    if argument == "--help" then
+        print("Usage: lua run.lua [--luacov] [<dir>]...")
+        os.exit(0)
+    elseif argument == "--luacov" then
+        luacov = true
+    else
+        table.insert(directories, argument)
+    end
+end
+
+if #directories == 0 then
+    directories = {"tests", "examples"}
+end
+
+local lua = "lua"
+local i = -1
+while arg[i] do
+    lua = arg[i]
+    i = i - 1
+end
+
+if luacov then
+    lua = lua .. " -lluacov"
+end
+
+local dir_sep = package.config:sub(1, 1)
+local quote = dir_sep == "/" and "'" or '"'
+local pl_src = "lua/?.lua;lua/?/init.lua"
+lua = lua .. " -e " .. quote .. "package.path=[[" .. pl_src .. ";]]..package.path" .. quote
+
+local function run_directory(dir)
+    local files = {}
+    for path in lfs.dir(dir) do
+        local full_path = dir .. dir_sep .. path
+        if path:find("%.lua$") and lfs.attributes(full_path, "mode") == "file" then
+            table.insert(files, full_path)
+        end
+    end
+    table.sort(files)
+
+    for _, file in ipairs(files) do
+        local cmd = lua .. " " .. file
+        print("Running " .. file)
+        local code1, _, code2 = os.execute(cmd)
+        local code = type(code1) == "number" and code1 or code2
+
+        if code ~= 0 then
+            print(("Running %s failed with code %d"):format(file, code))
+            os.exit(1)
+        end
+    end
+end
+
+for _, dir in ipairs(directories) do
+    print("Running files in " .. dir)
+    run_directory(dir)
+end
+
+print("Run completed successfully")