cdu (for Color du) is a perlscript which call du and display a pretty histogram with optional colors which allow to imediatly see the directories which take disk space.
With no arguments, cdu reports the disk space for all subdirectories of the current directory.
With only one directory argument, cdu reports the disk space for all subdirectories of the given directory.
Convert environment variables between scripting languages
A unix perlscript to convert environment variables between scripting languages. For example, convert csh setup script to bash or the other way around. Supports bash, csh, ksh, modulecmd, perl, plist, sh, tclsh, tcsh, vim, yaml, and zsh.
Complements http://modules.sourceforge.net/
pathmgr is a script that helps manage environment variables in bash. Persistently edit variables with commands like 'path edit APP_HOME'. Change vars used in your path and then reload with 'path load PATH'. And there is more...