[Bioperl-l] SOS----for BioPerl Installing

[Alex Zhang]

Dear friends,

Hi! I faced some problems when installing BioPerl on Macintosh. 

I am using James D. Tisdall's Masterhing Perl for Bioinformatics and 
following the installation instructions. 

When running a test program, which is 

************************

use Bio::Perl;
$seq_object = get_sequence('swissprot',"R0A1_HUMAN");
write_sequence(">roa1.fasta",'fasta',$seq_object);

************************

it displayed that "Your systems does not have one of LWP, 
HTTP::Request::Common,IO::String installed so the DB retrieval method is 
not available.

Full error message is:
  No such file or directory
    Bio::Perl::get_sequence('swissprot','ROA1-HUMAN') called at Bo11.pl 
line 3".

Then I downloaded libwww-perl-5.64 and installed it. But two errors 
appeared. One was: "Checking for URI...........failed" and the other one 
was "Checking for HTML::Parser..failed". Then I downloaded the URI and 
HTML::Parser modules from CPAN and run the test program again. But the 
program still bothered me.

So I wish I could get suggestions from you!

Thanks,

  Alex

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