Strip leading/trailing whitespace sed

Trim leading and trailing whitespace from each line

sed 's/^[[:space:]]*//;s/[[:space:]]*$//' file.txt

#sed #linux

more sed all 15 commands →

Address range substitution sed '5,15s/DEBUG/INFO/g' app.log Extract value from key=value file sed -n 's/^DB_HOST=//p' .env Substitute first match per line sed 's/foo/bar/' file.txt Substitute all matches (global) sed 's/foo/bar/g' file.txt In-place edit sed -i 's/old/new/g' config.cfg