#!/bin/sh

copy_function() {

if $1 $2 $3 $4;then
    echo "copied directory and contents"
else
    echo "failed"
    exit 1
fi
}

copy_function mkdir -p ~/TestFolder/TestFile/
copy_function cp -pr my_data/* /TestFolder/TestFile/

copy_function() {

if $1 $2 $3 $4;then
    echo "copied directory and contents"
else
    echo "failed"
    exit 1
fi
}

copy_function mkdir -p ~/TestFolder/TestFile/
copy_function cp -pr my_data/* /TestFolder/TestFile/

if "$@"; then

else
    echo failed >&2

mkdir -p ~/TestFolder
cp -vpR mydata ~/TestFolder/TestFile