Activate SDK from a bunch of installed ones

select_sdk

#!/usr/bin/env bash

# How to use
# 1. Put all unzipped SDKs into a folder
# 2. Put this file in the same folder
# 3. Update the `SYMOLIC_LINK` value to the one reffered by $PATH
# 4. call this script from anywhere, it would list all SDKs, and recreate the $SYMOLIC_LINK to the selected SDK
SYMOLIC_LINK=~/Workspace/flutter

SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

cd $SCRIPT_DIR
prompt="Please select a SDK:"
options=( $(ls -d */) )

PS3="$prompt "
select opt in "${options[@]}" "Quit" ; do
    if (( REPLY == 1 + ${#options[@]} )) ; then
        exit

    elif (( REPLY > 0 && REPLY <= ${#options[@]} )) ; then
        echo  "You picked $opt"
        break

    else
        echo "Invalid option. Try another one."
    fi
done

echo "Remove old symolic link"
rm $SYMOLIC_LINK
echo "Create new symbolic link to $opt"
ln -s $SCRIPT_DIR/$opt $SYMOLIC_LINK
echo "Done"