bc-win32-power-echo-vim-not-work

http://gnuwin32.sourceforge.net/packages.html

linux ok, but win32 not ok

[[email protected] ~]# echo 2^3|bc -l
8
[[email protected] ~]#
---

D:\tools\gnuwin>echo 2^3|bc -l
23

D:\tools\gnuwin>bc --version
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.

D:\tools\gnuwin>bc
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
2^3
8

一

 换成linux的echo也有这个问题，但用了bash就没有问题

D:\>bash

[email protected]  /d
$ echo 2^3|bc -l
8

[email protected]  /d
$

修改方案