linux test if string exists in file

if grep -Fxq "string" file.txt; then 
	echo "Match"
else 
	echo "No match"
fi

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Amit Tomar 85 points

                                    Just use grep with flags 'F' (fixed string), 'x' (exact match) and 'q'
(quiet output) in order to check if a word string is in a file
if ! grep -Fxq &quot;string&quot; file.txt; then #do some code...#; fi

Thank you! 6

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linux test if string exists in file

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