reorg modules

scripts/lib/strip_path.lua

@@ -0,0 +1,37 @@
+local strip_path = {}
+
+--获取路径
+function strip_path.strip_filename(filename)
+    return string.match(filename, "(.+)/[^/]*%.%w+$") --*nix system
+    --return string.match(filename, “(.+)\\[^\\]*%.%w+$”) — windows
+end
+
+--获取文件名
+function strip_path.strip_path(filename)
+    return string.match(filename, ".+/([^/]*%.%w+)$") -- *nix system
+    --return string.match(filename, “.+\\([^\\]*%.%w+)$”) — *nix system
+end
+
+--去除扩展名
+function strip_path.strip_extension(filename)
+    local idx = filename:match(".+()%.%w+$")
+    if(idx) then
+        return filename:sub(1, idx-1)
+    else
+        return filename
+    end
+end
+
+--获取扩展名
+function strip_path.get_extension(filename)
+    return filename:match(".+%.(%w+)$")
+end
+
+-- Test strip_path module
+--local paths = "/use/local/openresty/nginx/movies/fffff.tar.gz"
+--print (strip_path.strip_filename(paths))
+--print (strip_path.strip_path(paths))
+--print (strip_path.strip_extension(paths))
+--print (strip_path.get_extension(paths))
+
+return strip_path