sed remove line containing
sed '/pattern to match/d' ./infile
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" # remove 5th line
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