Hi all,

It may be the comparison, I've sometimes found an
explicit cast to str is required in this kind of situation.
So, I would try:

<command>
    #if str($source.source_select)=="Use_Snapshot":
        cM-snapshot.sh $input $output
    #else
        cM.sh $m $b $ns $w $s $z $output
    #end if
</command>

Regards,

Peter


On Thu, Mar 20, 2014 at 10:17 AM, Nicola Soranzo <sora...@crs4.it> wrote:
> Hi Saba and Jens,
> ":" are not needed, they are optional, see
>
> http://www.cheetahtemplate.org/docs/users_guide_html/users_guide.html#SECTION000680000000000000000
>
> Maybe it's a problem with the left quotes around Use_Snapshot in the #if
> line?
>
> Nicola
>
> Il 2014-03-20 06:26 Keilwagen, Jens ha scritto:
>>
>> Hi Saba,
>>
>> there is a syntax error in the line of the "#if". Please add ":" at
>> the end and report whether the error still occurs.
>>
>> All the best, Jens
>>
>> VON: galaxy-dev-boun...@lists.bx.psu.edu
>> [mailto:galaxy-dev-boun...@lists.bx.psu.edu] IM AUFTRAG VON Saba
>> Sehrish
>> GESENDET: Mittwoch, 19. März 2014 23:07
>> AN: galaxy-dev@lists.bx.psu.edu
>> BETREFF: [galaxy-dev] Running a different command based on selection
>>
>> in the tool
>>
>> Hi all,
>>
>> I am trying to write a tool that based on user criteria will run a
>> different script.
>>
>> In the code below, If I select Use_Snapshot, I see the right interface
>> but somehow galaxy tries to execute the #else part and look for "m"
>> input parameter. The example I have seen in documentation is using the
>> script with same name in both if and else and the number of input
>> arguments is the same as well. Any suggestions/ideas why always #else
>> part gets executed although right interface appears based on user
>> selection.
>>
>> Thanks,
>>
>> Saba
>>
>>  <command>
>>
>>  #if $source.source_select=="Use_Snapshot"
>>
>>  cM-snapshot.sh $input $output
>>
>>  #else
>>
>>  cM.sh $m $b $ns $w $s $z $output
>>
>>  #end if
>>
>> </command>
>>
>> <inputs>
>>
>>  <conditional name="source">
>>
>>  <param name="source_select" type="select" label="Specify the input">
>>
>>  <option value="Use_Snapshot">Use Snapshot</option>
>>
>>  <option value="Set_Values">Set Values</option>
>>
>>  </param>
>>
>>  <when value="Use_Snapshot">
>>
>>  <param name="input" type="data" format="dbm" size="100" label="Input
>> Snapshot"/>
>>
>>  <sanitizer sanitize="False"/>
>>
>>  </when>
>>
>>  <when value="Set_Values">
>>
>>  <param name="m" label="Omega_m h^2" type="float" value="0.1279"
>> min="0.120" max="0.155"/>
>>
>>  <param name="b" label="Omega_b h^2" type="float" value="0.0232"
>> min="0.0215" max="0.0235"/>
>>
>>  <param name="ns" label="n_s" type="float" value="0.8629" min="0.85"
>> max="1.05"/>
>>
>>  <param name="w" label="w" type="float" value="-1.184" min="-1.30"
>> max="-0.70"/>
>>
>>  <param name="s" label="sigma_8" type="float" value="0.6159"
>> min="0.61" max="0.9"/>
>>
>>  <param name="z" label="z" type="float" value="1.0" min="0.0"
>> max="1.0"/>
>>
>>  <sanitizer sanitize="False"/>
>>
>>  </when>
>>
>>  </conditional>
>>
>>  </inputs>
>
>
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