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no temp file and delte few lines

Posted on 2002-06-26
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Last Modified: 2013-12-26
Hi,

How can i delete first few lines from a file, without creating a temporary file.

My problem is: I have a very big file and i have to delete the first 4 lines of the file. As the file is too big i want to avoid creating a temp file.

I can do it by creating a temp file like thi

sed '1,4d' file1 > file2
mv file2 file1

But i don't want to create a temp file.

Thanks
GG
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Question by:ilikenine
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Accepted Solution

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woregul earned 200 total points
ID: 7111392
You can use the ex editor as follows:

ex -s file1 <<END
1,4d
wq!
END

or if you want the ex commands in a separate file:

commands:
1,4d
wq!

ex -s file1 < commands
0

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