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problem with expect eof

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Operating Systems AIX problem with expect eof
# 1  
Old 08-31-2007
problem with expect eof
hi guys

i have such simple script, which i'm executing on AIX 5.3

Code:
#!/usr/local/bin/expect

spawn passwd exptest
set password 123
expect "*password:*"
send "$password\r"
expect "*password again:*"
send "$password\r"
expect eof

the output is following:
Code:
spawn passwd exptest
sh: /usr/local/bin/stty:  not found.
Changing password for "exptest"
exptest's New password:
Enter the new password again:

and that's it. script hangs at this place and i have no control with shell...

what could be the problem?
# 2  
Old 09-03-2007
Basically, your script seems correct, but I have no expect installed on AIX currently, so I can test it. Um, which version of expect is used ? What is the location of stty ? I have it under /usr/bin/stty, do a "which stty" and you can try to edit the $PATH and test again ?

I would wrote your script like :

Code:
#!/usr/local/bin/expect

spawn passwd exptest
set password some-pass
expect "*password:*"
sleep 1
send "$password\r"
expect "*password again:*"
sleep 1
send "$password\r"
expect eof

# 3  
Old 09-03-2007
Quote:
Originally Posted by sysgate
Basically, your script seems correct, but I have no expect installed on AIX currently, so I can test it. Um, which version of expect is used ? What is the location of stty ? I have it under /usr/bin/stty, do a "which stty" and you can try to edit the $PATH and test again ?
i have 5.43 version of expect downloaded from here AIX PDSLIB Package: expect

i also have stty located under /usr/bin, and $PATH is OK. i created symbolic link /usr/local/bin/stty to /usr/bin/stty, so i dont have warning about stty, but result of the script is the same.


Quote:
I would wrote your script like :

Code:
#!/usr/local/bin/expect

spawn passwd exptest
set password some-pass
expect "*password:*"
sleep 1
send "$password\r"
expect "*password again:*"
sleep 1
send "$password\r"
expect eof

this variant doesn't work either... script hangs
# 4  
Old 09-04-2007
By default the timeout is small number, and if the machine is hanging or responding slowly, you will loose the terminal created from "spawn". Try to do "set timeout -1" in the beginnig of the script and see if it helps. Use "-d" flag for debug and see what's going on.
# 5  
Old 09-06-2007
ok, now the script is followng

Code:
#!/usr/local/bin/expect -d

set timeout -1
set password 123
spawn passwd exptest
expect "*password:*"
sleep 1
send "$password\r"
expect "*password again:*"
sleep 1
send "$password\r"
expect eof

and again i cant control the shell

here is debug output, looks fine as for me :-)

Code:
# ./expp
expect version 5.43.0
argv[0] = /usr/local/bin/expect  argv[1] = -d  argv[2] = ./expp
set argc 0
set argv0 "./expp"
set argv ""
executing commands from command file ./expp
spawn passwd exptest
parent: waiting for sync byte
parent: telling child to go ahead
parent: now unsynchronized from child
spawn: returns {17710}

expect: does "" (spawn_id exp4) match glob pattern "*password:*"? no
Changing password for "exptest"
exptest's New password:
expect: does "Changing password for "exptest"\r\nexptest's New password: " (spawn_id exp4) match glob pattern "*password:*"? yes
expect: set expect_out(0,string) "Changing password for "exptest"\r\nexptest's New password: "
expect: set expect_out(spawn_id) "exp4"
expect: set expect_out(buffer) "Changing password for "exptest"\r\nexptest's New password: "
send: sending "123\r" to { exp4 }

expect: does "" (spawn_id exp4) match glob pattern "*password again:*"? no

Enter the new pa
expect: does "\r\nEnter the new pa" (spawn_id exp4) match glob pattern "*password again:*"? no
ssword again:
expect: does "\r\nEnter the new password again:" (spawn_id exp4) match glob pattern "*password again:*"? yes
expect: set expect_out(0,string) "\r\nEnter the new password again:"
expect: set expect_out(spawn_id) "exp4"
expect: set expect_out(buffer) "\r\nEnter the new password again:"
send: sending "123\r" to { exp4 }

expect: read eof
expect: set expect_out(spawn_id) "exp4"
expect: set expect_out(buffer) "\r\n"

maybe something wrong with my AIX...
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