commands
- awk '/google.com/ {print}' domains.txt Print the line which matches the given pattern
- awk '{print "https://" $0;}' test.txt > test1.txt Adds https infornt of each line
- awk '{print $1}' Removes everything after space
- sed 's/https?:////' Remove https
- sed 's/http?:////' Remove http
- sed '/bar/d' Remove whole line if bar is present
- sed -i 's|http://|https://|g' test.txt Replace http to https in a give file
- sed -e '/000/d' -e '/301/d' -e '/302/d' -e '/000/d' -e '/404/d' -e '/ Remove multiple patterns
- sed -e 's/olddata/newdata/g' fileold > filenew Replace all matching occurance
- sed '4 s/test/test1/' Replace string on a specific line number
- sed '1,3 s/test/test1/' Replace strings on a range of lines
- sed '3,6d' To delete line from range 3-6