World: r3wp
[Core] Discuss core issues
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Volker 25-Jun-2005 [1419] | but its not necceary here, as it keeps the same word-names, only with different bindings. so if you run the code again, the names are the same, the binding shall change anyway. |
Pekr 25-Jun-2005 [1420] | :-) |
Volker 25-Jun-2005 [1421x6] | Oops, i completely forgot about firskip ! Which you may use instead! |
>> b: [1 2 3 4 5 6] == [1 2 3 4 5 6] >> forskip b 2[print [b/1 b/2]] 1 2 3 4 5 6 | |
if you really need words, these would be global and easier to reach: | |
>> words: [x y] >> forskip b length? words[set words b print[x y]] 1 2 3 4 5 6 | |
(remember view begins with 1.3, because some little things on forskip have changed ;) | |
(but the foreach may be a little bit faster) | |
Graham 25-Jun-2005 [1427] | Hmm. I just noticed that rebcmd comes up saying "Component: Graphics 1.3.0 blah ... " ... what is Graphics doing in core ? |
PeterWood 25-Jun-2005 [1428] | Perhaps to allow image manipulation, for example in a CGI script? |
Gabriele 26-Jun-2005 [1429] | exactly (afaik). |
Maarten 26-Jun-2005 [1430] | yep, that is the 'face part without VID or X libs needed' |
DideC 27-Jun-2005 [1431] | Use the 'draw function to handle draw blocks. |
DideC 1-Jul-2005 [1432x4] | Does one can explain : |
>> b: next next [1 2 3] == [3] >> head b == [1 2 3] >> head copy b == [3] >> c: [9] == [9] >> insert/only c b == [9] >> c == [[3] 9] >> d: copy/deep c == [[3] 9] >> head d/1 == [1 2 3] | |
head copy b show that 'copy only copy the block at the position we point into. | |
So why does 'copy/deep don't ? | |
Henrik 1-Jul-2005 [1436] | about graphics in core: would that mean you could create graphics without requiring an X server if used on BSD/Linux? I believe that X is normally necessary... |
Gregg 1-Jul-2005 [1437] | Dide, Good question for Carl. |
Maarten 2-Jul-2005 [1438] | Henrik: yes. Command has grafx capabilities without VID and without requiring X. So you can typically save/png etc. |
Volker 2-Jul-2005 [1439x2] | x ins necessary for fonts-handling. rest would work without it. except that /view does some initialisations at startup and fails without view. |
(means without X) | |
Graham 5-Jul-2005 [1441] | Regarding the question on the mailing list on extracting a series of duplicates, I wonder why Rebol doesn't allow us to subtract one series from another. If we are allowed to append one series to another, why not allow us to subtract? But I guess the problem then is sameness. |
Volker 5-Jul-2005 [1442] | we have that with set-operations. only it does not keep duplicates (i prefer it this way). And the duplicate-thing can be solved in a little loop, as gabriele showed. |
Sunanda 5-Jul-2005 [1443] | As Volker says, exclude acts as a sort of subtract, but does not handle duplicates in the way the questioner needs. >> exclude [1 2 3 4 5] [ 3 5] == [1 2 4] |
Joe 6-Jul-2005 [1444] | Are any technical details on encloak and decloak functions ? |
Sunanda 6-Jul-2005 [1445] | I think this is as technical as it gets http://www.rebol.net/cookbook/recipes/0023.html Which tells you it is SHA1 |
Joe 6-Jul-2005 [1446] | thanks. The key is SHA1 encoded makes me guess that it's hard to break the key but not the "encrypted" content |
[unknown: 5] 8-Jul-2005 [1447x2] | Is there anyway to get the ip address of the local computer? My problem is that I use a VPN for some functions and have other techs that do also and wanted to make a utility that could simply determine what subnet they are on. Problem is that I get the local ip of the lan and not the other interface ip's. Anyway to get those? |
This is one of my more major problems with REBOL - it is an internet language as advertised so you assume tasks like this would be simple or for example enumerating connected or listening ports, retrieving a routing table etc. At least I can use call to get some other application to do it for me. | |
Sunanda 8-Jul-2005 [1449] | Does this do it? read join dns:// read dns:// |
MikeJ 8-Jul-2005 [1450x2] | that returns local loopback on my fedora core installation |
When I did the above, I was using a dhcp supplied address. When I change to a static ip, I get the same result. | |
[unknown: 5] 8-Jul-2005 [1452x3] | Sunanada - that only returned the lan interface ip but not the vpn interface ip that I wanted to get |
I can get the ip information from the system/network/host-address | |
But its not the right stuff I need | |
Guest 8-Jul-2005 [1455] | Paul - non ability to open port on specific device or stuff you mentioned should be submitted to RAMBO as a wish, or as a bug, if Rebol claims to be networking internet language ;-) |
JaimeVargas 8-Jul-2005 [1456x2] | Paul maybe this will help you. |
use [port interfaces][ ipconfig: does [ until [attempt [port: open join udp://: 64000 + random 100]] interfaces: get-modes port 'interfaces close port foreach dev interfaces [ print reform compose [ join dev/name ":" "flags" mold dev/flags newline "^-inet" dev/addr "mask" dev/netmask (either dev/broadcast [["broadcast" dev/broadcast]][""]) (either dev/dest-addr [["dest-addr" dev/dest-addr]][""]) ] ] interfaces ] ] | |
[unknown: 5] 8-Jul-2005 [1458x3] | Wow - Jaime that worked! Excellent |
can ports be gathered from the interfaces also? | |
such as what ports are connected - listening etc.. | |
JaimeVargas 8-Jul-2005 [1461] | No. You will need something in the os. |
[unknown: 5] 8-Jul-2005 [1462x2] | ahh ok |
They should add that and we should have a command like the one you gave as a mezz function | |
JaimeVargas 8-Jul-2005 [1464x2] | You could always use CALL to get this info and the parse it. |
What OS? | |
[unknown: 5] 8-Jul-2005 [1466] | yeah I know I actually have to do that now with a call to netstat -aon |
JaimeVargas 8-Jul-2005 [1467] | You could always use CALL to get the open ports on the host system and the parse it. What OS? Do you want support for? |
[unknown: 5] 8-Jul-2005 [1468] | I'm working on a project now that I want to send out but don't want it to look so much like a batch file as much as having its own capabilities inherent. |
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