Re: Partition
- To: mathgroup at smc.vnet.net
- Subject: [mg71648] Re: Partition
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Sun, 26 Nov 2006 03:48:31 -0500 (EST)
- Organization: The Open University, Milton Keynes, UK
- References: <ek975q$fjq$1@smc.vnet.net>
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
>
You could try
In[1]:=
list = {a, b, c, d, e, f, g, h, i, j, k, l, m, n, o};
In[2]:=
Flatten[Partition[list, 5] /. {(x_)?AtomQ, y__} -> {x, {y}}, 1]
Out[2]=
{a, {b, c, d, e}, f, {g, h, i, j}, k, {l, m, n, o}}
Regards,
Jean-Marc