变量传递问题

biliwei

清高手看看以下有何问题；为什么的不出正常值
aaa文件中是：
May
Apr
May
May
May
Apr
May
May
May
May
May
Apr
Apr
Apr
Apr
Jul
Apr
May
May
Apr
Apr
May

------------------------------------------

aa()
{
Jan=01
Feb=02
Mar=03
Apr=04
May=05
Jun=06
Jul=07
Aug=08
Set=09
Oct=10
_r=$1
echo $_r
}

for file in `cat aaa`
do
aa $file
done
-----------------------------------------------


Jan=01
Feb=02
Mar=03
Apr=04
May=05
Jun=06
Jul=07
Aug=08
Set=09
Oct=10


for file in `cat aaa`
do
ii=$file
echo $ii
done

fangjy2008

sed "s/^Jan/01/ ;s/^Feb/02/ ;s/^Mar/03/ ;s/^Apr/04/ ;  \
s/^May/05/ ; s/^Jun/06/ ;s/^Jul/07/;s/^Aug/08/ ; \
s/^Sep/09/ ; s/^Oct/10/ ;s/^Nov/11/ ;s/^Dec/12/"  aaa

寂寞烈火

看不懂 楼主意欲何为 ?

biliwei

把aaa文件中的字段分别用数字表示

dradhzn

is that the question ?
$ a=1
$ b=a
$ echo $b
a

styr

$ a=1
$ b=$a
$ echo $b
1

寂寞烈火

原帖由 "dradhzn" 发表：
is that the question ?
$ a=1
$ b=a
$ echo $b
a

1. 
   
2. eval echo \$$b

复制代码

寂寞烈火

原帖由 "biliwei"]把aaa文件中的字段分别用数字表示[/quote 发表：

[quote]
/home/lee#cat aa
May
Apr
May
May
May
Apr
May
May
May
May
May
Apr
Apr
Apr
Apr
Jul
Apr
May
May
Apr
Apr
May
/home/lee#cat bb
Jan=01
Feb=02
Mar=03
Apr=04
May=05
Jun=06
Jul=07
Aug=08
Set=09
Oct=10

1. 
   
2. /home/lee#for i in $(<aa);do
   
3. > awk -F= '/'"$i"'/{print $2}' bb
   
4. > done
   
5. 05
   
6. 04
   
7. 05
   
8. 05
   
9. 05
   
10. 04
    
11. 05
    
12. 05
    
13. 05
    
14. 05
    
15. 05
    
16. 04
    
17. 04
    
18. 04
    
19. 04
    
20. 07
    
21. 04
    
22. 05
    
23. 05
    
24. 04
    
25. 04
    
26. 05
    

复制代码

biliwei

谢谢！！！