Our services

PonticStar.com is a web site of seasonal freelancer Michael Ryvkin.
I specialize in designing and developing desktop and web applications tailored to needs of my clients.

With over 10 years of experience as a software architect, system and database administrator I have been working in a variety of industries for numerous clients and I am always eager to take on new projects.

My expertise lies in designing and implementing solutions using HTML/CSS, JavaScript, Perl/PHP, various database systems (MySQL, PostgreSQL) and many other technologies.

Please do not hesitate to contact me via e-mail at or by using online inquiry form.

Strip comments and blank lines from file in Unix

This command displays configuration file stripping commented and blank lines on Unix-like operating system.

grep -E -v '^\s*#|^\s*$|^\s*;' file

or

egrep -v '^\s*#|^\s*$|^\s*;' file