http://gnuwin32.sourceforge.net/packages.html
linux ok, but win32 not ok
[root@130-255-8-100 ~]# echo 2^3|bc -l
8
[root@130-255-8-100 ~]#
---
D: oolsgnuwin>echo 2^3|bc -l
23
D: oolsgnuwin>bc --version
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
D: oolsgnuwin>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
006109@MPWY-006109 /d
$ echo 2^3|bc -l
8
006109@MPWY-006109 /d
$
修改方案
