variable expansion

variabletest.sh

# Make the test folder we will work in.
mkdir -p ~/mytest && cd ~/mytest

# Export the test variables.
export testvar1="000 111 222 333 444" && export testvar2="555 666 777 888 999"

# create a folder using command or paramter substitution and testvar1

mkdir $(echo $testvar1) && ls

mkdir ${testvar1} && ls

mkdir $testvar1 && ls

# Result = 5 separate folders

# create a folder using command or paramter substitution and testvar2

mkdir "$(echo $testvar2)" && ls

mkdir "${testvar2}" && ls

mkdir "$testvar2"  && ls

# Result = 1 folder with a 5 part name

# reset folder.

rm -rf ~/mytest/*