Re: init_code syntax?

Zhiliang wrote on 2012-02-02:

> I wish to re-use some codes in GBrowse configuration by putting them in
> "init_code" as in this 6 lines example:
> 
> init_code = sub processedTranscript_bgcolor {
>                 my $feature = shift;
>                 my $source = $feature->type;
>                 if ($source =~ /exon/) {return "#CCCCCC";}
>                 else                   {return "#33CC88";}
>             };

Your code is valid perl code.  However, because it is being parsed in
the config file the '#' characters are being treated as comment characters.
To fix this you will need to define your '#' characters using the 'chr'
function using syntax similar to this:

my $hash = chr(35);
     return "${hash}CCCCCC";

> However when I have these codes, the browser complains "server made a
> boo boo", and the apache error log shows:
> 
>   [Thu Feb 02 15:50:23 2012] [error] [client 184.41.213.57] MSG: syntax
>   error at line 97: 'init_code = sub processedTranscript_bgcolor {',
> When I comment out these 6 lines, the server resumes normal function.
> What could be the problem?
> 
> Thanks in advance,
> 
> Zhiliang
> 
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