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delete multiple lines by line number

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# 1  
Old 01-14-2011
delete multiple lines by line number
I have file with 10000 records and i need to delete the lines in single shot based on line number range say from 10 to 51 , 53 to 59 , 105 to 107, 311 to 592 etc... between range works fine for me but how to achive for above case? please help

Code:
sed '10,51 {d}' infile > outfile

# 2  
Old 01-14-2011
bottom up way:
Code:
sed '311,592 d;105,107 d;53,59 d;10,51 d' infile > outfile

Last edited by anurag.singh; 01-14-2011 at 08:49 AM..
# 3  
Old 01-14-2011
Thanks that works for me
# 4  
Old 01-14-2011
Why do you need bottom up?
Code:
sed '10,51d; 53,59d; 105,107d; 311,592d' file

works just as well (no dashes BTW)...
This User Gave Thanks to Scrutinizer For This Post:
frewise
# 5  
Old 01-14-2011
Yes, Bottom up is not needed. Thanks.
# 6  
Old 01-16-2011
Quote:
Originally Posted by zooby
I have file with 10000 records and i need to delete the lines in single shot based on line number range say from 10 to 51 , 53 to 59 , 105 to 107, 311 to 592 etc...
Or you could use Perl to edit the file in-place.

Code:
perl -pi.bak -e 's/^.*\n$// if grep /$./, (10..51, 53..59, 105..107, 311..592)' file

tyler_durden
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