expect脚本带来的结果异常问题（自己已经考虑了好久，没有解决，谢谢大家）

zy86416779

1. #!/bin/bash
   
2. 
   
3. ECHO=/usr/bin/echo
   
4. HOSTNAME=/usr/bin/hostname
   
5. SNOOP=/usr/sbin/snoop
   
6. SLEEP=/usr/bin/sleep
   
7. SVCS=/usr/bin/svcs
   
8. GREP=/usr/bin/grep
   
9. AWK=/usr/bin/awk
   
10. 
    
11. ####_HOSTS={inf1,inf2,mas1,mate1} [I do not know why this way does not work]
    
12. 
    
13. _HOSTNAME=`$HOSTNAME`
    
14. _DOMAINNAME=`$ECHO ${_HOSTNAME:0:4}`
    
15. 
    
16. ####_SNOOP="$SNOOP port 5140 10.40.115.131 >> /var/tmp/$_DOMAINNAME$i_snoop &"
    
17. 
    
18. _SLEEP="$SLEEP 5"
    
19. _SERVICE="_STATUS=\`svcs -a | grep cmcc |cut -d ' ' -f 1 \`"
    
20. _TELLSTATUS="$ECHO \$_STATUS"
    
21. 
    
22. for i in inf1
    
23. do
    
24.     $ECHO "spawn telnet $_DOMAINNAME$i" > /var/tmp/snoop_$_DOMAINNAME$i
    
25.     $ECHO "expect \"login\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
26.     $ECHO "send  \""root'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
27.     $ECHO "expect \"password\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
28.     $ECHO "send  \""shroot'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
29. 
    
30. ####$ECHO "interact" >> /var/tmp/snoop_$_DOMAINNAME$i
    
31. 
    
32.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
33.     $ECHO "send  \""bash'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
34. 
    
35. ####$ECHO "send  \""hostname'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
36. ####$ECHO "send  \""$_SNOOP'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
37. 
    
38.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
39.     $ECHO "send  \""$_SLEEP'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
40.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
41.     $ECHO "send  \""$_SERVICE'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
42.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
43.     $ECHO "send  \""$_TELLSTATUS'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
44.     $ECHO "expect eof" >> /var/tmp/snoop_$_DOMAINNAME$i
    
45.     /usr/local/bin/expect /var/tmp/snoop_$_DOMAINNAME$i
    
46. 
    
47. ####$ECHO "send \"shroot\r\"" >> /var/tmp/snoop_$_DOMAINNAME$i [this expression shows the really unexpected result and still do not know the exact reason]
    
48. 
    
49. done
    
50. [root@szl0mws1:/JUMP/henry]#./c.sh
    
51. ./c.sh: line 1: [root@szl0mws1:/JUMP/henry]#cat: No such file or directory
    
52. spawn telnet szl0inf1
    
53. Trying 100.93.248.164...
    
54. Connected to szl0inf1.szl0.jscm.com.
    
55. Escape character is '^]'.
    
56. login: root
    
57. Password:
    
58. Last login: Thu Sep  3 19:40:13 from szl0mws1.szl0.j
    
59. Oracle Corporation      SunOS 5.10      Generic Patch   January 2005
    
60. You have new mail.
    
61. # bash
    
62. [u]bash-3.2# /usr/bin/sleep 5
    
63. bash-3.2# _STATUS=`svcs -a | grep cmcc |cut -d ' ' -f 1 `
    
64. bash-3.2# can't read "_STATUS": no such variable
    
65.     while executing
    
66. "send  "/usr/bin/echo $_STATUS\r""
    
67.     (file "/var/tmp/snoop_szl0inf1" line 13)[/u]

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我想请问一下 为什么会出现没有响应变量的报错呢？我自己考虑了好久 也没有找到答案 希望大家可以帮我看看

zy86416779

大神们 请帮小弟看看啊 谢谢了

waker

file c.sh

tc1989tc

回复 1# zy86416779

1. _SERVICE="set _STATUS \`svcs -a | grep cmcc |cut -d ' ' -f 1 \`"

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_SERVICE 这行 改为上面的试一试

zy86416779

回复 4# tc1989tc

1. # cat b.sh
   
2. #!/bin/bash
   
3. 
   
4. ECHO=/usr/bin/echo
   
5. HOSTNAME=/usr/bin/hostname
   
6. SNOOP=/usr/sbin/snoop
   
7. SLEEP=/usr/bin/sleep
   
8. SVCS=/usr/bin/svcs
   
9. GREP=/usr/bin/grep
   
10. AWK=/usr/bin/awk
    
11. 
    
12. ####_HOSTS={inf1,inf2,mas1,mate1} [I do not know why this way does not work]
    
13. 
    
14. _HOSTNAME=`$HOSTNAME`
    
15. _DOMAINNAME=`$ECHO ${_HOSTNAME:0:4}`
    
16. 
    
17. ####_SNOOP="$SNOOP port 5140 10.40.115.131 >> /var/tmp/$_DOMAINNAME$i_snoop &"
    
18. 
    
19. _SLEEP="$SLEEP 5"
    
20. ####_SERVICE="_STATUS=\`svcs -a | grep cmcc |cut -d ' ' -f 1 \`"
    
21. _SERVICE="set _STATUS \`svcs -a | grep cmcc |cut -d ' ' -f 1 \`"
    
22. _TELLSTATUS="$ECHO \$_STATUS"
    
23. 
    
24. for i in inf1
    
25. do
    
26.     $ECHO "spawn telnet $_DOMAINNAME$i" > /var/tmp/snoop_$_DOMAINNAME$i
    
27.     $ECHO "expect \"login\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
28.     $ECHO "send  \""root'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
29.     $ECHO "expect \"password\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
30.     $ECHO "send  \""shroot'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
31. 
    
32. ####$ECHO "interact" >> /var/tmp/snoop_$_DOMAINNAME$i
    
33. 
    
34.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
35.     $ECHO "send  \""bash'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
36. 
    
37. ####$ECHO "send  \""hostname'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
38. ####$ECHO "send  \""$_SNOOP'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
39. 
    
40.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
41.     $ECHO "send  \""$_SLEEP'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
42.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
43.     $ECHO "send  \""$_SERVICE'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
44.     $ECHO "expect \"#\"" >> /var/tmp/snoop_$_DOMAINNAME$i
    
45.     $ECHO "send  \""$_TELLSTATUS'\\r"' >> /var/tmp/snoop_$_DOMAINNAME$i
    
46.     $ECHO "expect eof" >> /var/tmp/snoop_$_DOMAINNAME$i
    
47.     /usr/local/bin/expect /var/tmp/snoop_$_DOMAINNAME$i
    
48. 
    
49. ####$ECHO "send \"shroot\r\"" >> /var/tmp/snoop_$_DOMAINNAME$i [this expression shows the really unexpected result and still do not know the exact reason]
    
50. 
    
51. done
    
52. 
    
53. # ./b.sh
    
54. spawn telnet szl0inf1
    
55. Trying 100.93.248.164...
    
56. Connected to szl0inf1.szl0.jscm.com.
    
57. Escape character is '^]'.
    
58. login: root
    
59. Password:
    
60. Last login: Fri Sep  4 07:34:47 from szl0mws1.szl0.j
    
61. Oracle Corporation      SunOS 5.10      Generic Patch   January 2005
    
62. You have new mail.
    
63. # bash
    
64. bash-3.2# /usr/bin/sleep 5
    
65. bash-3.2# set _STATUS `svcs -a | grep cmcc |cut -d ' ' -f 1 `
    
66. bash-3.2# can't read "_STATUS": no such variable
    
67.     while executing
    
68. "send  "/usr/bin/echo $_STATUS\r""
    
69.     (file "/var/tmp/snoop_szl0inf1" line 13)

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我试了一下，还是不行，真的搞不清楚为什么不识别变量！
   

zy86416779

回复 3# waker

1. # file b.sh
   
2. b.sh:           executable /bin/bash script

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waker，之前看过你发的关于expect的帖子，知道你在这个方面很有水平。我也按照tc1989tc提供的方法尝试了下，还是无法识别变量。不知你是如何看这个问题呢？
   

tc1989tc

_TELLSTATUS="$ECHO \\\$_STATUS"

在你原来的基础上面改为这样试一试啊。

zy86416779

回复 7# tc1989tc
为什么要在转义字符前面再加两个呢？

   

tc1989tc

先看看行不嘛

tc1989tc

先看看行不嘛