Pygrep is a GUI for GREP.

Yes, but... What is a GUI?

GUI is the abbreviation for Graphical User Interface. It is a front-end -something put ahead other things-, to allow us to use GREP tool in a very easy and comfortable way.

Ok, ok, good, but what is GREP?

GREP is a very common tool in Unix systems, which allow us to search for text patterns inside files.

Tell me more

Pygrep allows to use a graphical interface to configure GREP parameters. What's more, it allows to open the matching document, what gives you an easy way to edit it. In this way, it is not necessary to remember all GREP options: it is as easy as checking a checkbutton, selecting a value or typing a text in a text box with its own label.