用eval来实现:
# a=hello
# b=world
# for i in a b; do eval echo '$'"${i}"; done
hello
world
转载请注明:liutianfeng.com » SHELL变量嵌套
用eval来实现:
# a=hello
# b=world
# for i in a b; do eval echo '$'"${i}"; done
hello
world
转载请注明:liutianfeng.com » SHELL变量嵌套