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Re: Partition


On 25 Nov 2006, at 19:36, KFUPM wrote:

> Dear All
>
> I have a very large list of numbers that look like this: ( although  
> the
> size is different)
>
> list={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o}
>
> And i need to rewrite the list into
>
> list2={a,{b,c,d,e},f,{g,h,i,j,},k,{l,m,n,o}}
>
> Since my list is too big, i need Mathematica to do it for me  
> regardless
> of the site of the list.
>
> I would appreciate it if you can help me in this regard,
>
> Thanks
>
> KFUPM
>

The most obvious way seems to be:


Flatten[{First[#],Rest[#]}&/@Partition[list,5],1]


{a,{b,c,d,e},f,{g,h,i,j},k,{l,m,n,o}}

Andrzej Kozlowski
Tokyo, Japan


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