Finish port to Lua 5. Everything is working fine.

Still doesn't work in Windows.

test/ftptest.lua

@@ -1,29 +1,32 @@
 dofile("noglobals.lua")
 
 local similar = function(s1, s2)
-    return strlower(gsub(s1, "%s", "")) == strlower(gsub(s2, "%s", ""))
-end
-
-local capture = function(cmd)
-	readfrom("| " .. cmd)
-	local s = read("*a")
-	readfrom()
-	return s
+    return 
+    string.lower(string.gsub(s1, "%s", "")) == 
+    string.lower(string.gsub(s2, "%s", ""))
 end
 
 local readfile = function(name)
-    local f = readfrom(name)
-    if not f then return nil end
-    local s = read("*a")
-    readfrom()
-    return s
+	local f = io.open(name, "r")
+	if not f then return nil end
+	local s = f:read("*a")
+	f:close()
+	return s
+end
+
+local capture = function(cmd)
+	local f = io.popen(cmd)
+	if not f then return nil end
+	local s = f:read("*a")
+	f:close()
+	return s
 end
 
 local check = function(v, e, o)
 	e = e or "failed!"
 	o = o or "ok"
 	if v then print(o)
-	else print(e) exit() end
+	else print(e) os.exit() end
 end
 
 -- needs an account luasocket:password
@@ -31,81 +34,82 @@ end
 
 local index, err, saved, back, expected
 
-local t = _time()
+local t = socket._time()
 
-index = readfile("index.html")
+index = readfile("test/index.html")
 
-write("testing file upload: ")
-remove("/var/ftp/dir1/index.up.html")
-err = FTP.put("ftp://localhost/dir1/index.up.html;type=i", index)
-saved = readfile("/var/ftp/dir1/index.up.html")
+io.write("testing wrong scheme: ")
+back, err = socket.ftp.get("wrong://banana.com/lixo")
+check(not back and err == "unknown scheme 'wrong'", err)
+
+io.write("testing invalid url: ")
+back, err = socket.ftp.get("localhost/dir1/index.html;type=i")
+local c, e = socket.connect("", 21)
+check(not back and err == e, err)
+
+io.write("testing anonymous file upload: ")
+os.remove("/var/ftp/pub/index.up.html")
+err = socket.ftp.put("ftp://localhost/pub/index.up.html;type=i", index)
+saved = readfile("/var/ftp/pub/index.up.html")
 check(not err and saved == index, err)
 
-write("testing file download: ")
-back, err = FTP.get("ftp://localhost/dir1/index.up.html;type=i")
+io.write("testing anonymous file download: ")
+back, err = socket.ftp.get("ftp://localhost/pub/index.up.html;type=i")
 check(not err and back == index, err)
 
-write("testing no directory changes: ")
-back, err = FTP.get("ftp://localhost/index.html;type=i")
+io.write("testing no directory changes: ")
+back, err = socket.ftp.get("ftp://localhost/index.html;type=i")
 check(not err and back == index, err)
 
-write("testing multiple directory changes: ")
-back, err = FTP.get("ftp://localhost/dir1/dir2/dir3/dir4/dir5/dir6/index.html;type=i")
+io.write("testing multiple directory changes: ")
+back, err = socket.ftp.get("ftp://localhost/pub/dir1/dir2/dir3/dir4/dir5/index.html;type=i")
 check(not err and back == index, err)
 
-write("testing authenticated upload: ")
-remove("/home/luasocket/index.up.html")
-err = FTP.put("ftp://luasocket:password@localhost/index.up.html;type=i", index)
+io.write("testing authenticated upload: ")
+os.remove("/home/luasocket/index.up.html")
+err = socket.ftp.put("ftp://luasocket:password@localhost/index.up.html;type=i", index)
 saved = readfile("/home/luasocket/index.up.html")
 check(not err and saved == index, err)
 
-write("testing authenticated download: ")
-back, err = FTP.get("ftp://luasocket:password@localhost/index.up.html;type=i")
+io.write("testing authenticated download: ")
+back, err = socket.ftp.get("ftp://luasocket:password@localhost/index.up.html;type=i")
 check(not err and back == index, err)
 
-write("testing weird-character translation: ")
-back, err = FTP.get("ftp://luasocket:password@localhost/%2fvar/ftp/dir1/index.html;type=i")
+io.write("testing weird-character translation: ")
+back, err = socket.ftp.get("ftp://luasocket:password@localhost/%2fvar/ftp/pub/index.html;type=i")
 check(not err and back == index, err)
 
-write("testing parameter overriding: ")
-back, err = FTP.get {
-	url = "//stupid:mistake@localhost/dir1/index.html",
+io.write("testing parameter overriding: ")
+back, err = socket.ftp.get {
+	url = "//stupid:mistake@localhost/index.html",
 	user = "luasocket",
 	password = "password",
 	type = "i"
 }
 check(not err and back == index, err)
 
-write("testing wrong scheme: ")
-back, err = FTP.get("wrong://banana.com/lixo")
-check(not back and err == "unknown scheme 'wrong'", err)
-
-write("testing invalid url: ")
-back, err = FTP.get("localhost/dir1/index.html;type=i")
-local c, e = connect("", 21)
-check(not back and err == e, err)
-
-write("testing directory listing: ")
-expected = capture("ls -F /var/ftp/dir1 | grep -v /")
-back, err = FTP.get("ftp://localhost/dir1;type=d")
-check(similar(back, expected))
-
-write("testing home directory listing: ")
+io.write("testing home directory listing: ")
 expected = capture("ls -F /var/ftp | grep -v /")
-back, err = FTP.get("ftp://localhost/")
+back, err = socket.ftp.get("ftp://localhost/")
 check(back and similar(back, expected), nil, err)
 
-write("testing upload denial: ")
-err = FTP.put("ftp://localhost/index.up.html;type=a", index)
+io.write("testing directory listing: ")
+expected = capture("ls -F /var/ftp/pub | grep -v /")
+back, err = socket.ftp.get("ftp://localhost/pub;type=d")
+check(similar(back, expected))
+
+io.write("testing upload denial: ")
+err = socket.ftp.put("ftp://localhost/index.up.html;type=a", index)
 check(err, err)
 
-write("testing authentication failure: ")
-err = FTP.put("ftp://luasocket:wrong@localhost/index.html;type=a", index)
+io.write("testing authentication failure: ")
+err = socket.ftp.put("ftp://luasocket:wrong@localhost/index.html;type=a", index)
+print(err)
 check(err, err)
 
-write("testing wrong file: ")
-back, err = FTP.get("ftp://localhost/index.wrong.html;type=a")
+io.write("testing wrong file: ")
+back, err = socket.ftp.get("ftp://localhost/index.wrong.html;type=a")
 check(err, err)
 
 print("passed all tests")
-print(format("done in %.2fs", _time() - t))
+print(string.format("done in %.2fs", socket._time() - t))