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Forum: UNIX for Beginners Questions & Answers 03-05-2020

Changing array of data by sed

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sed 'N;N;/5/ s/yes/no/' file sed...

sed 'N;N;/5/ s/yes/no/' file
sed '/^<alarmsend/{N;N;\%5</type>$% s/yes/no/}' file

--- Post updated at 13:44 ---

If you complicate the task as much as possible
sed -r '/^<alarm/...

Forum: UNIX for Beginners Questions & Answers 03-04-2020

Changing array of data by sed

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First thing to do is: get rid of syntax errors...

First thing to do is: get rid of syntax errors in your code.

For your problem, try
tac file | awk '/<type>5/ {T5 = 1} /<alarmsend/ && T5 {sub (/yes/, "no"); T5 = 0} 1' | tac...

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