Mac Automator script to delete all nuget packages in $Home/.nuget/packages and also the bin & obj folders of a C# solution

Del packages & bin & obj.workflow

#!/bin/bash

nugetPackagesFolder="$HOME/.nuget/packages"
rm -r `find $nugetPackagesFolder -type d -not -path $nugetPackagesFolder
`

constrainedPath="$HOME/Documents"
if [ -z $1 ] ; then
    exit 1
elif [[ $1 != *$constrainedPath* ]]; then
    exit 1
else
    foldersToRemove=$(find $1 -type d \( -name bin -o -name obj \))
    if [[ $foldersToRemove != "" ]]; then
        rm -rf `find $1 -type d \( -name bin -o -name obj \)`
    fi
fi