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Append a pattern at the end of each line

Posted on 2002-06-18
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Last Modified: 2013-12-27
That´s the question. How can I append a pattern at the end of each
line of a file?

TIA
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Question by:iaguirre
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by:yuzh
ID: 7089258
let say you have a file:myfile, and you want to add aa at the end of each line, you do:

cat myfile |  awk '{print $0"aa"}' > myfile.tmp
mv myfile.tmp myfile

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ahoffmann earned 50 total points
ID: 7090432
(cat myfile)|awk '{print $0"aa"}'>myfile
(cat myfile)|sed -e 's/$/aa'>myfile
# awk will be faster on huge files
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