Create symbolic links to my folders in site-packages

lnsp

#!/bin/bash

# ======================================================================
#
# Function: lnsp
# Creates a symbolic link to a folder inside current site-packages. If
# the file already exists, ask for override.
# Works ok with virtualenv.
#
# Parameters:
# $1 - The folder name inside $PWD
# $2 - The destination folder inside site-packages
#
# Examples:
# >  # Example 1
# >  # Folders with the same name
# >  lnsp myfolder
# >
# >  # Example 2
# >  # Folders with diferent names
# >  lnsp myfolder myotherfolder
#
# ======================================================================

# confirm function from 
# http://wuhrr.wordpress.com/2010/01/13/adding-confirmation-to-bash/
function confirm()
{
    echo -n "$@ "
    read -e answer
    for response in y Y yes YES Yes Sure sure SURE OK ok Ok
    do
        if [ "_$answer" == "_$response" ]
        then
            return 0
        fi
    done

    # Any answer other than the list above is considerred a "no" answer
    return 1
}

function lnsp()
{
  local SITEPACKAGES=`python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()"`
  local SOURCE=$PWD/$1
  local DESTINATION=$SITEPACKAGES/$2
  
  if [ ! $2 ]; then
    DESTINATION=$SITEPACKAGES/$1
  else
    DESTINATION=$SITEPACKAGES/$2
  fi
  
  echo "Copying '$SOURCE' to '$DESTINATION'"
  
  if [ -e $DESTINATION ] || [ -h $DESTINATION ]; then
    confirm "File already exists. Override it? [y/N]" && rm -rf $DESTINATION || exit 0
  fi

  ln -s $SOURCE $DESTINATION
  echo "$(tput setf 2)[OK!]$(tput sgr0)"
}

lnsp $1 $2