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no in ksh
but getting >
at the end of the code
now i can do
sed -r 's/.{2}/&\n/g' inputfile
or sed -r 's/.{3}/&\n/g' inputfile
it works but i want to generalize it replacing 2 or 3 with x....

can it be done using sed and cut somehow .

-----------------------------------------
like to cut the 1st variable cut -c1-1
and then to replace the 1st variable sed '1s/^.//...

I want to know script for

Input file : 123456789
outputfile :
1
2
3
4
5
6
7
8
9
now please how can generalize it
like i want output : 123
456
789