Hi David,
Adding /usr/local/tpp/bin to my path solved the problem. Thanks very much 
for the prompt reply.
Alex

On Tuesday, October 2, 2018 at 9:40:29 AM UTC-7, David Shteynberg wrote:
>
> Hi Alex,
>
> What is the content of your PATH environment variable?  You can check with 
> echo $PATH command.  You should add the directory with TPP binaries ( 
> /usr/local/tpp/bin ) to you PATH.  The way to do this depends on your 
> shell.  
>
> In bash shell do this:
> export PATH=/usr/local/tpp/bin:$PATH 
>
> In C shell do this:
> setenv PATH /usr/local/tpp/bin:$PATH 
>
> Let me know if it still gives the same message after changing the PATH.
>
> -David
>
>
> On Tue, Oct 2, 2018 at 9:24 AM Alex Zelter <aze...@uw.edu <javascript:>> 
> wrote:
>
>> Hi there,
>>
>> I am using TPP v5.2.0-b1 Flammagenitus Pre-release Beta, Build 
>> 201809101205-7809 (Linux-x86_64) with Kojak pep.xml data running the 
>> following command:
>>  
>> /usr/local/tpp/bin/xinteract -Ninteract.pep.xml -p0 -l1 -eT -PPM -OAPdp 
>> -drandom_ -ip file1.pep.xml file3.pep.xml file3.pep.xml
>>
>> This command runs to completion, however looking in the output I see:
>>
>> ....
>> running: "/usr/local/tpp/bin/ProphetModels.pl -i interact.pep.xml -d 
>> "random_""
>> Analyzing interact.pep.xml ...
>> ....
>>   => Total so far: 134784 hits. (3317 decoys, 0 excluded)
>> Using decoy ratio of 0.0284042151512031 for PeptideProphet.
>> Inserting decoy analysis tags in line 4542 of interact.pep.xml
>> Running tpp_models...
>> *Can't exec "tpp_models.pl <http://tpp_models.pl>": No such file or 
>> directory at /usr/local/tpp/bin/ProphetModels.pl line 1179.*
>> Done
>> command completed in 35 sec
>> ...
>>
>> Should I be concerned by this? I get this error twice during the run. 
>> Later in the output the same command is run but this time a filename is 
>> given to tpp_models.pl and the program then runs with no errors: 
>>
>>
>> running: "/usr/local/tpp/bin/tpp_models.pl '/path/to/interact.pep.xml'"
>> File: /path/to/interact.pep.xml
>>  - in ms run: /path/to/file1...
>>  - in ms run: /path/to/file2...
>>  - in ms run: /path/to/file3...
>>
>> -------------------------------------------------------------------------------
>> TPP DASHBOARD -- started at Mon Oct  1 16:03:50 2018
>>
>> -------------------------------------------------------------------------------
>> File /path/to/interact.pep.xml is pepxml
>> Found fval (+1) model...
>> etc...
>>
>> tpp_models.pl is present and executable on the computer's filesystem so 
>> I assume this error is due to tpp_models.pl not being given a file to 
>> operate on in the instances where there is a "no such file" error.
>>
>> Am I safe to ignore this?
>> Thanks!
>> Alex
>>
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