3
#!/bin/bash SUNDAY_MENU=BREAD MONDAY_MENU=APPLES TODAY=MONDAY ECHO "I want ${${TODAY}_MENU}" # does not work, bad substitution ECHO "I want ${`echo $TODAY`_MENU}" # does not work, bad substitution
任何想法?bash,用另一个变量替换变量的一部分
谢谢您的建议! – user1623159