linux test if string exists in file
if grep -Fxq "string" file.txt; then
echo "Match"
else
echo "No match"
filinux test if string exists in file
if grep -Fxq "string" file.txt; then
echo "Match"
else
echo "No match"
filinux check line exist in file
[ grep -Fxq "string" file.txt ] || echo "not found"Copyright © 2021 Codeinu
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