if which wget >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
wget "$CLOSURE_COMPILER_URL" -O "/tmp/$$.zip"
elif which curl >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
curl "$CLOSURE_COMPILER_URL" -o "/tmp/$$.zip"
else
if which wget >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
wget "$CLOSURE_COMPILER_URL" -O "/tmp/$$.zip"
elif which curl >/dev/null 2>&1 && which unzip >/dev/null 2>&1; then
curl "$CLOSURE_COMPILER_URL" -o "/tmp/$$.zip"
else