World: r3wp

How can I position the internal (imap) scheme position? I'm trying 
to do sth. along the lines of: 

i: open imap://....
insert i [get mail 7]

and want to get the 7th mail ...

and then 

insert i [get mail next]

pick i 7 ?

oh, you want to set i to the 7th mail and then read consecutively 
with 'next ?

Ever have a script that is used by other scripts but occassionaly 
needs to be run standalone and accessed from the console? Well I 
have, and my usual solution was to comment/uncomment a 'halt as the 
last line; but this got a bit tiresome so I came up with the following 
little trick:

	any [system/script/parent/header halt]


  just add it as the last line of your script and you can now run the 
  script directly as a console script or have others scripts use it 
  without being dropped to the console.

Sounds good! What's the theory behind it ?

system/script/parent/header contains the header for a script that 
has DOne another script so if the parent header exists then ANY will 
be satisfied and the script won't halt allowing other scripts to 
load it but if the parent header doesn't exist ANY isn't satisfied 
and the script halts.  This is a rather useful concept for a library 
where you would like to be able to test new changes at the console 
and run it from another script without having to modify the script 
depending on how you want to execute it.

perhaps it could be added as a refinement to halt ?  such as halt/ 
only or halt/console or something like that.

is this a bug?

==
>> now/zone
== 8:00
>> now/zone + 60
== 8:01

No it is not. Integer! in this case is considered as seconds.

Purely a matter of opinion.... or raather a couple of opinions...


Should now be immutable?  Of course not unless you want to reset 
the time on the machine for testing.


Can a timeone take the value 8:01 - not in real life at the moment 
- I  came across this odd behaviour when investigating the difference 
between mydate/zone: and to-date. I found out that there are a few 
:30 minute timezones and a couple of 0:15 (or 0:45) time zones, the 
rest were all hours.

I see.


More like a fundamental flaw in my own assumptions that timezone 
are separated in hours

but you still have a point - today the only four valid values for 
minutes are 00, 15, 30 and 60 - and I don't think they are that likely 
to change.

it become 'confusing' in a way when you are dealing with 'time components

I feel that it would be a worthwhile improvement to restrict time 
zones to 15 minute intervals but the powers that Rambo didn't agree 
when I last auggested it.

auggested -> suggested

since timezones are arbitrarily divided this way, I would suggest 
leaving it alone.

a political decision should not force RT to change a datatype.

That counts out Unicode then ;-)))

By the way, one of the two places with a 15 minute offset is part 
of NZ.

There have been timezones in living history with an offset of 20min 
(I forget where), so it is possible that it could happen again/

I have a file containing data in the following format:

acmacks
 "Arkansas City Missionary Baptist Church, Arkansas City, KS"
aslcut
 "Anchor Baptist Church, Salt Lake City, UT"
awmi
 "Antioch Baptist Church, Warren, MI"
bamo
 "Bethany Baptist Church, Ava, MO"
bbin
 "Berean Baptist Church, Batesville, IN"
bbmcanada
 "Bible Baptist Church, Brandon, Manitoba"
bcbctx
 "Bay City Baptist Church, Bay City, TX"
bdtx
 "Bible Baptist Church, Dumas, TX"
beok
 "Bible Baptist Church, Enid, OK"

How can I sort this data on the second string?

see here http://www.rebol.net/cookbook/

and here http://www.rebol.net/cookbook/recipes/0012.htmlfor   Louis

and this function   [    sort-db: func [db field [word!] /local result 
offset] [
        offset: find fields field
        either offset [offset: index? offset][
            print ["ERROR:" field "does not exist"]
            halt
        ]
        db: copy db
        sort/compare db func [a b] [
            if a/:offset = b/:offset [return 0]
            either a/:offset > b/:offset [1][-1]
        ]
        db
    ]

]

Thanks Claude! I just found some old code. This also works:


sort/skip/compare/all codes-block 2 func [a b] [return either a/2 
< b/2 [-1][either a/2 = b/2 [0][
+1]]]

sort/skip/compare codes-block 2 2

What is the second 2 for, Ashley?

One specifies the size of the record and the second one the column 
to use.

Thanks Jaime.

Should now be immutable?

 - this is quite unfortunate question - Now is a function returning 
 a time! value in this special case (now/zone). Moreover, the returned 
 value *is* immutable :-P. What are you questioning is not mutability, 
 but the possibility to use this special time! value as an argument 
 for the Add function.

Can a timeone take the value 8:01

 - again, an unfortunate question. Now/zone did return a specific 
 time! value. If you add 60 seconds to such a value you obtain yet 
 another time! value, but nobody is trying to convince you it is a 
 timezone.

Hi Graham, yes that's it ...

I actuallly add some things to the protocol, like mailbox handling, 
the ability to fetch only specific headers, etc. so I would like 
to be able to use a unified interface. 

Additionally I'd like to fetch by uid,  and it would be nice if I 
were able to position to the read mail.

Ladislav: I see your point about immutability.


I guess that point about zone boils down to one of  datatype. I had 
been thinking along the lines that zone was a special datatype but, 
after checking, I see if it is of type time!.


What has confused me is the additional validation on time/zone in 
to-date:

>> to-date 9-mar-2006/14:17:38+8:01
** Syntax Error: Invalid date -- 9-mar-2006/14:17:38+8:01
** Near: (line 1) to-date 9-mar-2006/14:17:38+8:01

and the rounding:
>> a: 9-mar-2006 15:23
== 15:23
>> a/zone: +8:15
== 8:15
>> print a/zone
8:00
>> a/zone: +8:31
== 8:31
>> print a/zone
8:30

which indicates that zone is a special case of time!

I had been thinking along the lines that zone was a special datatype

 - there is a possibility to propose such a datatype, but I am OK 
 with time! in this case, because the new datatype wouldn't (just 
 IMO) bring substantial benefits. So, we have to be careful when "composing" 
 a new date! value.

(which may be a good addition to REBOL documentation)

OTOH, your experiments suggest, that there are some "legal" timezones, 
that aren't representable in REBOL ?

(I should have said "legal" dates)

I did submit the two "missing" zones to RAMBO some time ago. Understandably, 
it was suggested that as the two time zones were so obscure it wasn't 
worthwhile catering for them.

I would be good if the "zone" behavious was documented at least in 
the Datatypes! Appendix to the core user guide.

I'll try to draft something and submit via Rabo.

Actually when I checked the documenation it already  states :

The resolution of the time zone is to the half hour.


Perhaps the only clarification needed is that the timezone is always 
rounded down.

Is there a "Rebolish" way to change this string! :
	"A text with%27some%25encoded chars"
to this string! :
	"A text with%some'encoded chars"
Without using replace/all in a loop?

parse?

In the other way there is 'to-url :
	>> to-url "a b"
	== a b
But is there something simple to do the opposite ?

GOT IT : dehex !!!

(I found it in 'decode-cgi)

Does Rebol have an equal to PHP's exit; function?

HALT is probably the closest