Remove blank lines ( new line ) with grep
echo -e "a\n\nb" | grep -v '^ *$'
or
grep -v '^[\s\t]*$' file.txt > new_file.txt
Remove blank lines ( new line ) with grep
echo -e "a\n\nb" | grep -v '^ *$'
or
grep -v '^[\s\t]*$' file.txt > new_file.txt
apt list --upgradable | cut -d"/" -f1 > /tmp/apt pico /tmp/apt cat /tmp/apt | tr "\n" " " apt install --on...