nefte is a lightweight programmers editor. Here is descriptioin:

Description : eFTE is an advanced programmers editor with goals of being lightweight, yet
            : totally configurable. Support for user defined programming languages, menu
            : systems and key bindings are provided with many common defaults already
            : defined. eFTE is still a new project, however, we extend from the FTE editor
            : which was first released in 1995, so eFTE is tried and true with many features
            : for the programmer/text editor.
            : 
            : This package contains nefte, the ncurses version of the editor.

And to install:

sudo yum install nefte

nefte a.sh

There are lot of features taht you can explore and use.
It is quite lightweight programmers editor.

Related Articles:

• 2010/03/08   eclim for Fedora – Leonidas – installation.
• 2013/10/10   Check all vim colorschemes for minor issues
• 2012/03/14   cream bash ide – vim with bash support
• 2012/02/15   Get yourself som new themes for vim
• 2011/11/05   g flag in :s useless in vim