Shell Programming and Scripting

HI,

I have two files and contains many Fields with | (pipe) delimitor, wanted to compare both the files and get only unmatched perticular fields. this i wanted to use in shell scriting.
ex:

first.txt

Code:

111 |abc| 230| hbc
231 |bbb |210 |bbd
405 |ghc |555 |cgv

second.txt

Code:

111 |abc |230 |hbc
231 |ccc |210 |bbd
405 |ghc |666 |cgv

Here the different data in two fileds(i.e ccc, 666), the thing is i want only those changed fields.

The same scipt will be used for many files in my project so the field changes are happens any filed in the second file, so please provide the scipt or command with accurate result.

Code:

output.txt
cccc 
666

Appreciate your Quick responce
Many thanks.

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