My quick GPL'd script to adjust some PATH environment variables

#!/bin/sh

find / -type d 2>/dev/null | grep -vi packages | grep -vi patches | grep -v "/tmp/" | sort | uniq | awk -F/ '
        BEGIN   {
                        path = "";
                        ldpath = "";
                        libpath = "";
                        manpath = "";
                }
                {
                        if (( $NF == "bin" ) || ( $NF == "sbin" )) {
                                path = path ":" $0;
                        } else if ( $NF == "lib" ) {
                                ldpath = ldpath ":" $0;
                                libpath = libpath ":" $0;
                        } else if ( $NF == "man" ) {
                                manpath = manpath ":" $0;
                        }
                }
        END     {
                        print "export PATH=$PATH"path;
                        print "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH"ldpath;
                        print "export LIBPATH=$LIBPATH"libpath;
                        print "export MANPATH=$MANPATH"manpath;
                }'