Remove Mutli-Blank lines
When we coding and can found there has some blank lines, so we need to remove them but just keep one blank line.
So here has some solutions
- cat -s
- sed 'N;/^\n$/D;P;D;'
- for i in *; do FILE=$(cat -s “$i”); echo “$FILE” > “$i”; done
/var/www/dokuwiki/wiki/data/pages/linux/remove-multi-blank-lines.txt · Last modified: 2017/12/20 10:34 by percy