我的批处理文件中有一个数组，如下所示：
"port[0] ="
"port[1] = 0"
"port[2] = 3"
"port[3] = 2"
是否有任何漂亮而优雅的方法可以将值向后移动一个元素，所以它看起来像这样？：
"port[0] = 0"
"port[1] = 3"
"port[2] = 2"
"port[3] ="
我想要的不仅仅是SET port[0] = %port[1]%, etc?
:: Q:\Test\2018\11\23\SO_53453204.cmd
@Echo off&SetLocal EnableDelayedExpansion
set "port[0]=" &Rem this clears/deletes the variable
set "port[1]=0"
set "port[2]=3"
set "port[3]=2"
For /L %%L in (1,1,3) do (
set /A "New=%%L-1,Last=%%L"
set "port[!New!]=!port[%%L]!"
)
:: finally reset the last entry
set "port[%Last%]="
set port[
> Q:\Test\2018\11\23\SO_53453204.cmd
port[0]=0
port[1]=3
port[2]=2
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