Remove blank lines with grep


Remove blank lines ( new line ) with grep
echo -e "a\n\nb" | grep -v '^ *$'

or

grep -v '^[\s\t]*$' file.txt  > new_file.txt

-
Marcadores: , , ,

View expiration date of DNSSEC signature

  dig SOA yourdomain.com @nameserver +dnssec  

Mais vistos