grep tricks

I’ve been using grep (Global Regular Expression Print) to search files on Unix for years and never knew you could have it appear in color. And here are some other interesting articles about grep.

• http://unstableme.blogspot.com/2009/03/highlight-match-with-color-in-grep.html
• http://opensourcehacker.com/2012/05/29/power-searching-using-unix-grep/
• http://eriwen.com/tools/grep-is-a-beautiful-tool/
• http://www.itworld.com/operating-systems/364065/unix-groping-through-big-data-grep

http://regexr.com/ is an online tool to learn, build, & test Regular Expressions.