Shell Script
Conditional Statement
기본 형태
if [ condition ] ; then
statement
elif [ condition ] ; then
statement
else
statement
fi
숫자
NUMBER=10
if [ $NUMBER -eq 5 ] # 10 == 5, false
if [ $NUMBER -lt 5 ] # 10 < 5, false
if [ $NUMBER -gt 5 ] # 10 > 5, true
문자열
TEXT="jake"
if [ "$TEXT" = "cake" ] # "jake" == "cake", false
if [ "$TEXT" != "cake" ] # "jake" != "cake", true
if [ -z "$TEXT" ] # "jake".isNullOrBlank(), false