Re: zpty woes

[Jaime Vargas <jev@mac.com>]

I got it working. By changing the pattern to '*assword:'. Thanks for  
the help. -- Jaime


On May 15, 2008, at 1:38 PM, Jaime Vargas wrote:

> Still no luck. Am I missing something stupid?
>
> nerd% ./zpty-test.zsh
> +./zpty-test.zsh:4> zmodload zsh/zpty
> +./zpty-test.zsh:8> zpty scppty scp hello.world 'user@host:~/'
> +./zpty-test.zsh:9> zpty -t scppty
> +./zpty-test.zsh:10> zpty -r scppty line assword:
>
> #!/opt/csw/bin/zsh
> set -x
> zmodload zsh/zpty
> die() {print -r -- $1 >&2; exit 1;}
> zpty scppty scp hello.world user@host:~/
> zpty -t scppty || die "fuck"
> zpty -r scppty line "assword:" || die "no password asked"
> zpty -w scppty "TopSecret"
> while zpty -r scppty line;
>     do
>         result+="$line"$'\n'
>     done
> zpty -d scppty
> print $result
>
> On May 15, 2008, at 1:03 PM, Stephane Chazelas wrote:
>
>> On Thu, May 15, 2008 at 12:00:25PM -0400, Jaime Vargas wrote:
>>> Still doesn't work for me. Below is the modified script and the  
>>> debug
>>> output.
>>>
>>> #!/opt/csw/bin/zsh
>>>
>>> set -x
>>>
>>> zmodload zsh/zpty
>>>
>>> die() {print -r -- $1 >&2; exit 1;}
>>>
>>> zpty scppty scp hello.world jvargas@aoma6000-4-9.aoma.rhbss.com:~/
>>> zpty -t scppty || die "fuck"
>>> zpty -r scppty line "*:" || die "no password asked"
>>> zpty -w scppty "3lp&tbw"
>>> while zpty -r scppty line;
>>>     do
>>>         result+="$line"$'\n'
>>>     done
>>> zpty -d scppty
>>> print $result
>>>
>>> I changed my credentials for security. Basically it now hangs  
>>> waitng for
>>> password and doesnt' do anything.  -- Jaime
>>>
>>> nerd% ./zpty-test.zsh
>>> +./zpty-test.zsh:5> zmodload zsh/zpty
>>> +./zpty-test.zsh:10> zpty scppty scp hello.world 'luser@host:~/'
>>> +./zpty-test.zsh:11> zpty -t scppty
>>> +./zpty-test.zsh:12> zpty -r scppty line '*:'
>>
>> Had you printed $line, you'd have seen something like
>> "+myscript:", not "Passwd: ".
>>
>>
>> [...]
>>> +./zpty-test.zsh:14> zpty -r scppty line
>> [...]
>>
>> As Peter said, if you don't provide with a pattern to look for,
>> zpty will look for NL characters.
>>
>> That last zpty is probably still waiting because so far, it has
>> only received "Password: " and is waiting for a NL character
>> that will never come.
>>
>> So, in your code above, you should wait for something more
>> specific than just ":":
>>
>> zpty -r scppty line "assword: " || die "no password asked"
>>
>> for instance.
>>
>> -- 
>> Stéphane
>