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Old 05-17-2008
jaduks's Avatar
jaduks jaduks is offline
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Join Date: Aug 2007
Location: Assam,India
Posts: 141
Era's solution helped me to find two more similar ways . Thank you Era.

Code:
$ sed -n '3 s/\(.\{3\}\).*/\1/p' test.txt
thr

$ awk 'NR==3 {print substr($0,1,3)}' test.txt
thr
//Jadu
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