Sed remove line containing

sed '/pattern to match/d' ./infile

Delete a line starting with sed

# Delete all lines starting with '#'
$ sed -i '/^#/d' filepath

Delete line in sed

# -i here update the file, try with and without -i, 
sed -i -e "/your_pattern/d" file 
sed -i -e "/your_pattern/,+2 d" file  # 2 lines after the pattern
sed -i -e '5,5d" file # remove 5th line

Sed delete line before match

Use d option at the end of sed command string for deleting line of matches.
tac | sed -i "" "s/matching_pattern/I+1 d" file.txt | tac #

Sed remove line

$ sed 's|http://||' <<EOL
http://url1.com
http://url2.com
http://url3.com
EOL

Source: catonmat.net

Similar codes

3 votes319 views1 answer
Git initial push
Shell/Bash
0 vote317 views1 answer
Git checkout single file
Shell/Bash
2 votes289 views4 answers
Docker build custom dockerfile
Shell/Bash
0 vote316 views1 answer
Amazon linux wireguard
Shell/Bash
0 vote321 views1 answer
Open prompt with default folder ubunut
Shell/Bash
0 vote331 views1 answer
Show output after a keyword in shell script in a file
Shell/Bash
0 vote287 views1 answer
Django activate shell
Shell/Bash
0 vote286 views1 answer
Elastic beanstalk installation problem
Shell/Bash
0 vote303 views1 answer
Vlc doesnt open after install ubuntu
Shell/Bash
21 votes307 views4 answers
Untar a file
Shell/Bash