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How to replace 0a with 0d0a in the text file?

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Top Forums Shell Programming and Scripting How to replace 0a with 0d0a in the text file?
# 1  
Old 05-12-2009
Question How to replace 0a with 0d0a in the text file?
Hello,
I must replace all occurences of 0a character in a text file with 2 characters 0d0a. I've tried sed, but it cannot insert control characters ie. \n \r - it simply writes \n \r into output file. What is the good solution for my problem? I use ksh and AIX 5.3 operating system.

Tia
Yac
# 2  
Old 05-12-2009
If available: unix2dos
Otherwise:
Code:
perl -i.bak -pe 's/\n/\r\n/' file

# 3  
Old 05-12-2009
try this out
cat filename | sed 's/Oa/\n/'
# 4  
Old 05-12-2009
Unfortunately these 2 solutions above didn't work for me... I must probably get the unix2dos tool...
# 5  
Old 05-12-2009
Another one: if you've got vim available (vim, not vi), in command mode enter
Code:
:set fileformat=dos

and save, and it should be converted.
# 6  
Old 05-12-2009
Quote:
Originally Posted by Yac
Unfortunately these 2 solutions above didn't work for me... I must probably get the unix2dos tool...
Code:
awk '{print $0 "\r"}' filename

or
Code:
awk '{printf("%s\r\n", $0)}'  filename

# 7  
Old 05-12-2009
Or

Code:
awk 'BEGIN {RS="\n";ORS="\r\n"} {print $0}' filename
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