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How can I search for a pattern in awk if the text contains special characters?

billinAddress ||

when I search, it is showing an error on pipe sign ||. How can I search for the pipe sign || in awk?

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2 Answers 2

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You just need to escape them using \. So, instead of writing billinAddress ||, you need to write billinAddress \|\|.

For example, you can search for your pattern using:

awk '/billinAddress \|\|/{ print $0 }' /path/to/file
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sgeorge-mn:~ sgeorge$ echo 'billinAddress ||' | awk '/\|\|/{ print $0 }'
billinAddress ||
sgeorge-mn:~ sgeorge$ echo 'billinAddress' | awk '/\|\|/{ print $0 }'
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