uninstall-haskell-platform.sh

#!/bin/sh

if [ ! -d /Library/Frameworks/HaskellPlatform.framework ]
then
  if which -s ghc
  then
    echo "A different Haskell was found." >&2
  else
    echo "Haskell Platform for OSX is not installed." >&2
  fi
  echo >&2
  echo "Abort" >&2
  exit 1
fi

cat << BANNER >&2

This will COMPLETELY uninstall the Haskell Platform for OSX and 

all associated files. 

BANNER
read -p 'Are you sure? Type "yes" if so > ' answer >&2
test "$answer" = 'yes' || exit 1

sudo rm -rf /Library/Frameworks/GHC.framework
sudo rm -rf /Library/Frameworks/HaskellPlatform.framework
sudo rm -rf /Library/Haskell
sudo rm -rf /usr/share/doc/ghc
sudo rm /usr/share/man/man1/ghc.1
sudo rm -rf /var/db/receipts/org.haskell.HaskellPlatform.* # already deleted everything listed in every .bom
rm -rf ~/.cabal
rm -rf ~/.ghc
rm -rf ~/Library/Haskell
find /usr/bin /usr/local/bin -type l | \
  xargs -If sh -c '/bin/echo -n f /; readlink f' | \
    egrep '//Library/(Haskell|Frameworks/(GHC|HaskellPlatform).framework)' | \
    cut -f 1 -d ' ' | \
    xargs sudo rm -f

cat << FOOTER >&2

Haskell can be reinstalled at any time via

  http://hackage.haskell.org/platform/

or 

  brew install haskell-platform 

if using brew.

FOOTER