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sorry for the repost as this is my first post.
Perl solution seems to work but i can not use due to limitation on my server.

Yes you are right this will not work on solaris

awk '{ split($2, A, "|");asort(A);$2="";for(N=1; A[N]; N++) $2=$2"|"A[N];print $1 " " substr($2, 2) }' test123.dat

awk: illegal reference to...

sorry i did not mention early, I can't use perl on my system.
It has to be awk or sed .

again sorry for not clearing that up before and thanks for solution.

File will have two columns key column and second column which is pipe separated and that need to be sorted.

Below is input file.


1, D|B|A|C
2, C|A|B
3, E|A|F|G|H|D|B|C
4, A|B|D|C|F
...

File will have two columns key column and second column which is pipe separated and that need to be sorted.

Below is input file.


1, D|B|A|C
2, C|A|B
3, E|A|F|G|H|D|B|C
4, A|B|D|C|F
...