echo

greysky-zfj

有一文件 abc 内容如下


        by app2 (Coremail) with SMTP id KggSCpD7X_LmXttNkwIBAA--.1501S2;
        Tue, 24 May 2011 15:31:50 +0800 (CST)
Date: Tue, 24 May 2011 15:29:25 +0800
From: "biany" <biany@public.com.cn>



[root@fileServer-L msg]# msg=`grep ^From abc`
[root@fileServer-L msg]# echo "$msg aaa"
aaa: "biany" <biany@public.com.cn>
？？？

wsxedcer

没明白什么意思{:3_190:}

greysky-zfj

回复 2# wsxedcer


    输出结果不应该是

From: "biany" <biany@public.com.cn> aaa 吗

xiaopan3322

回复 3# greysky-zfj


    yes

greysky-zfj

回复 4# xiaopan3322


    那为啥 aaa 跑前面去了 而且 覆盖了 from

xiaopan3322

回复 5# greysky-zfj


    不知道

greysky-zfj

如果直接将 From: "biany" <biany@public.com.cn> 赋值于变量 则正常

yinyuemi

回复 1# greysky-zfj


    try:
dos2unix abc

wsxedcer

回复 1# greysky-zfj

1. [root@master ~]# cat abc
   
2.         by app2 (Coremail) with SMTP id KggSCpD7X_LmXttNkwIBAA--.1501S2;
   
3.         Tue, 24 May 2011 15:31:50 +0800 (CST)
   
4. Date: Tue, 24 May 2011 15:29:25 +0800
   
5. From: "biany" <biany@public.com.cn>
   
6. [root@master ~]# msg=`grep ^From abc`
   
7. [root@master ~]# echo "$msg aaa"
   
8. From: "biany" <biany@public.com.cn> aaa
   
9. [root@master ~]# bash --version
   
10. bash --version
    
11. GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
    
12. Copyright (C) 2005 Free Software Foundation, Inc.

复制代码

greysky-zfj

回复 8# yinyuemi