#!/bin/bash
# ¼­ºê½© º¯¼öÀÇ ÇÔÁ¤.

outer_variable=outer
echo
echo "outer_variable = $outer_variable"
echo

(
# ¼­ºê½© ½ÃÀÛ

echo "¼­ºê½© ¾È¿¡¼­ÀÇ outer_variable = $outer_variable"
inner_variable=inner  # ¼Â
echo "¼­ºê½© ¾È¿¡¼­ÀÇ inner_variable = $inner_variable"
outer_variable=inner  # º¯¼ö°ª º¯°æÀÌ Àü¿ªÀûÀ¸·Î ¿µÇâÀ» ¹ÞÀ»±î¿ä?
echo "¼­ºê½© ¾È¿¡¼­ÀÇ outer_variable = $outer_variable"

# ¼­ºê½© ³¡
)

echo
echo "¼­ºê½© ¹Û¿¡¼­ÀÇ inner_variable = $inner_variable"  # ¾ð¼Â.
echo "¼­ºê½© ¹Û¿¡¼­ÀÇ outer_variable = $outer_variable"  # ¾È º¯ÇßÁÒ.
echo

exit 0