do-this.sh

PATH="$HOME/local/bin:/opt/local/bin:/usr/bin:/sbin:/bin"
LD_LIBRARY_PATH="/opt/local/lib:/usr/local/lib:/usr/lib"
for i in $HOME/local/*; do
  [ -d $i/bin ] && PATH="${i}/bin:${PATH}"
  [ -d $i/sbin ] && PATH="${i}/sbin:${PATH}"
  [ -d $i/include ] && CPATH="${i}/include:${CPATH}"
  [ -d $i/lib ] && LD_LIBRARY_PATH="${i}/lib:${LD_LIBRARY_PATH}"
  [ -d $i/lib/pkgconfig ] && PKG_CONFIG_PATH="${i}/lib/pkgconfig:${PKG_CONFIG_PATH}"
  [ -d $i/share/man ] && MANPATH="${i}/share/man:${MANPATH}"
done
export PATH