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Shell Programming and Scripting

add a word every other line

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# 1  
Old 11-30-2011
add a word every other line
hey guys,

How to add a line to every other line, means adding a line to the above of all the lines of a file?

tnx
# 2  
Old 11-30-2011
A blank line, or fixed/variable text? To be added above all input lines, or every other input line?

If it's blank or fixed on every line, you could do something like:
Code:
awk '{printf "\n"; print}' infile.txt

or
Code:
sed 's/^/\n/g' infile.txt

This User Gave Thanks to CarloM For This Post:
Johanni
# 3  
Old 11-30-2011
Quote:
Originally Posted by CarloM
If it's blank or fixed on every line, you could do something like:
Code:
awk '{printf "\n"; print}' infile.txt

Easier to just change the output record separator:

Code:
awk -v ORS="\n\n" '1' infile.txt

This User Gave Thanks to Corona688 For This Post:
Johanni
# 4  
Old 11-30-2011
It is a fixed text for all of the lines that would be added,

For example adding 'index' before everyline in the text
# 5  
Old 11-30-2011
As I posted above, just add your fixed text before the \n.
This User Gave Thanks to CarloM For This Post:
Johanni
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