cheat/cheatsheets/sed

15 lines
438 B
Plaintext
Raw Normal View History

# To replace all occurrences of "day" with "night" and write to stdout:
sed 's/day/night/g' file.txt
# To replace all occurrences of "day" with "night" within file.txt:
sed -i 's/day/night/g' file.txt
# To replace all occurrences of "day" with "night" on stdin:
echo 'It is daytime' | sed 's/day/night/g'
# To remove leading spaces
sed -i -r 's/^\s+//g' file.txt
2013-08-31 11:46:33 +02:00
# Remove empty lines and print results to stdout:
sed '/^$/d' file.txt