Hi,
I am new to unix..so need the tip to do the below ..
say 3 files with below format
File A
header 111
detail 1
detail 2
detail 3
File C
header 111
detail 4
detail 5
detail 6
File A
header 111
detail 7
detail 8
detail 9
output as
File B
header 111
detail 1
detail 2
detail 3
detail 4...
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