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How delete particular line with out opening file?

Posted on 2008-06-18
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Last Modified: 2013-12-27
How delete particular line with out opening file,say i want to delete line number 2 in a file with out using vi.
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Question by:umeshexp
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omarfarid earned 375 total points
ID: 21814382
try

sed '2 d' file > file.$$
mv file.$$ file
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by:omarfarid
ID: 21814852
why B grade :|
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