This is UNIX question asked in DataStage Interview.
Say I have n numbers of records in a text file.
I want first 3 records in 1st file, last three records in 3rd file and remaining n-6 records in 2nd file.
(Note: we don't know how many records are there in the File. I am getting one file on daily basis and I want three target files as asked above)
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Answer Posted / ram
head -3 filename.txt > t1.txt
tail -3 filename.txt > t2.txt
cat filename.txt|sed '3d,$d'|sed '$d'|sed '$d' > t3.txt
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