Richard, if you look at the 'valueList' function, it returns a number
ie. the offset of a weekday name into the list of weekday names. It's
this value that is being used to sort the list. It's like attaching a
temporary value to each line and sorting by that.
If there were more than 9 weekdays, this example would have needed to
specify numeric.
This is why you can sort by random(someBigNumber) to randomize a list
- each line effectively gets a random number, and is sorted by it.
Best,
Mark
On 17 Jun 2008, at 22:49, Richard Gaskin wrote:
Hugh Senior wrote:
Have you needed to sort lists by a value list or synchronize
different lists, but thought it not easily do-able in Rev? You may
find the following tips useful.
In a field, type some lines where the first word is a random day
of the week, then...
on mouseUp
sort lines of fld 1 by valueList(word 1 of each)
end mouseUp
function valueList what
put "Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday"
into tList
return itemOffset(what,tList)
end valueList
I've been looking at this for two days and I can't wrap my head
around it.
My understanding of the sort command is that I can tell it to sort
by a particular chunk, and in which direction (ascending or
descending), and by what form of data (numeric or date or text).
Indeed, the only examples in the docs are:
sort field "Output"
sort items of myInfo by word 2 of each -- sort by word 2 of the
line
sort lines of field thisField descending numeric by item x of each
I've never before seen a sort where the sort specifier is a literal
value. :\
If I simplify the above to move the function result inline, it
would look like:
sort lines of fld 1 by "Monday"
What exactly does that do, and how does it do it?
And where did you learn how do that? I can't find anything in the
docs like that.
TIA -
--
Richard Gaskin
Managing Editor, revJournal
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