what form of "split" turns a tab-delimited variable into an array with the first line as keys?

Björnke von Gierke bvg at mac.com
Fri Apr 9 18:12:24 EDT 2010


Oi my solution works fine, it must b your computer that's amiss :P

No seriously, i tested it here and it did what I thought you wanted?


On 10 Apr 2010, at 00:06, Josh Mellicker wrote:

> Thanks for everyone's help.
> 
> Though Bjoernke's solution looks clever, I could not get it to work.
> 
> I ended up with this ugly thing:
> 
> function turnIntoArray p
>   put line 1 of p into tHeaders
>   set the itemDelimiter to tab
>   repeat with x = 2 to the number of lines in p
>      repeat with y = 1 to the number of items in tHeaders
>         put item y of line x of p into a[x][item y of tHeaders]
>      end repeat
>   end repeat
>   return a
> end turnIntoArray
> 
> On Apr 9, 2010, at 8:56 AM, Björnke von Gierke wrote:
> 
>> That the split and combines are useless is completely wrong. I use them all the time and it's a huge timesaver for manipulating x,y matrices. Of course, for the given Task, they do not work for what you want directly. You'll need to change the orientation first, for example thusly:
>> 
>> on mouseUp
>>  --assuming the example colour and food data from below
>>  put field 1 into theData
>>  split theData by column
>>  repeat with theKey = 1 to the number of lines in the keys of theData
>>     replace return with tab in theData[theKey]
>>  end repeat
>>  combine theData by return
>>  split theData by return and tab
>>  put the keys of theData --all done
>> end mouseUp
>> 
>> Of course a single line solution for switching the orientation of tables would be most handily, because this is really arcane. I'm sure there's other ways that are faster, especially when you only use "repeat for each line in theData" in combination with "put after <endResult>", but you asked about combine and split ;)
>> 
>> Bjoernke
>> 
>> On 9 Apr 2010, at 17:13, Bob Sneidar wrote:
>> 
>>> Just had a few rounds with split and combine, and they are not what you think they are. Split takes the first value in a delimited line and that becomes the key. The rest of the items become the elements. The commands are fairly useless for much of anything. 
>>> 
>>> Bob
>>> 
>>> 
>>> On Apr 9, 2010, at 12:07 AM, Josh Mellicker wrote:
>>> 
>>>> Given a variable like this, where the first line is "headers":
>>>> 
>>>> name  [tab]  color  [tab]  food
>>>> Trevor  [tab]  green  [tab]  salad
>>>> Sarah  [tab]  blue  [tab]  pizza
>>>> Richard  [tab]  orange  [tab]  burgers
>>>> David  [tab]  purple  [tab]  fruit
>>>> 
>>>> What is the best way to turn this into an array, where the array keys are the first line of the variable?
>>>> 
>>>> I have tried various forms of "split by" ""split using" and ""split with" but haven't found the right formula. Personally I find the documentation on the various forms of the "split" and "combine" commands a bit scant.
>> 
>> 
>> -- 
>> 
>> official ChatRev page:
>> http://bjoernke.com?target=chatrev
>> 
>> Chat with other RunRev developers:
>> go stack URL "http://bjoernke.com/chatrev/chatrev1.3b3.rev"
>> 
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