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how to replace a line in file with blank line

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# 1  
Old 09-10-2009
how to replace a line in file with blank line
Hi

I nned cmd to which will help me to replace a line in file with blank line
e.g.
file1
a
b
c
d
e

after running cmd I shud get
file1
b
c
d
e
# 2  
Old 09-10-2009
You example seems to have deleted the row with "a". This deletes any row that starts with lowercase a
Code:
sed '/^a'/d' file1 > tmp
mv tmp file1

# 3  
Old 09-10-2009
If I m getting word from some script whose value is $i, where I don't the word likewise here where word a how to approach it ?
# 4  
Old 09-10-2009
Quote:
Originally Posted by tarunn.dubeyy
If I m getting word from some script whose value is $i, where I don't the word likewise here where word a how to approach it ?
I did not get it , what your question is ?.
# 5  
Old 09-10-2009
Code:
grep -v $i file > new_file

# 6  
Old 09-10-2009
superb thxs danmero ,
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