replace/delete odd occurance

Shell Programming and Scripting
1

how to delete/replace the the odd occurance of a pattern say newline character "\n"

a,b,c,d
e,f
g, h, i, j, k, l 
m,n
1, 2, 3, 4,
5, 6
1, 3, 4, 5, 6, 7

the output should be

a,b,c,de,f
g, h, i, j, k, lm,n
1, 2, 3, 4,5, 6
1, 3, 4, 5, 6, 7
2

You want to replace the newline, that's fine but what is the pattern here? On what basis should the newline be removed?

--ahamed

3 
$ paste -d" " - - < infile
4

Hi Ahamed,

i dont have any pattern but i want to replace the first, third, fifth, and all the odd newline characters,

 paste -d" " - - < infile

looks working. .

5

with sed:

 sed 'N;s/\n/ /' infile