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print first 3 characters to a file  from each row from a file

Posted on 2013-01-11
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Last Modified: 2013-01-11
I have a file with few rows of data (trailer.txt),  I could have more in future .I have to print first 3 characters from each row to a file (tralier.sorted.txt)
the input file and output file  of  how the data has to look are attached
trailer.txt
trailer-sorted.txt
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Question by:uco
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cut -c 1-3 trailer.txt | sort
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