How to sort all the columns of a file into a single column?

I have a data file having several columns of values. I want to sort all the columns of the file into one column. For example let us assume the data has only two columns like

 1    5
 2    6
 3    7
 4    8

I want to sort this data like

 1
 2
 3
 4
 5
 6
 7
 8

This is just an example with two columns. My original data has several columns. In that case how can I sort all the columns into a single column?

Answer 1

[Carlos]

Try

reshape(A,numel(A),1)

[aneps]

This seems to work... but I am facing a problem that when I load the file, the Matlab is loading every thing in a single row!.. For example if my data is:

Filename=

1  2  3  4
5  6  7  8
9  10 11 12
13 14 15 16

When I run

 A=load('Filename.TXT')

Instead of loading the data (Filename) as such, the Matlab reads

A=

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Inorder to use reshape(A,numel(A),1), first the Matlab should read my file as such instead of making it a single row!

[Carlos]

try dlmread or try

A = load('Filename.txt', '-ascii');

Answer 2

[Azzi Abdelmalek]

out=sort(A(:))