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Paul Johnson wrote:
> On Fri, Jun 16, 2006 at 12:43:11PM +0530, Rajanikanth Dandamudi wrote:
>
>> Hi All,
>>
>> Can some one help me understand why I am getting the following message
>> on the following perl program :
>>
>> perl program
>> ============
>> #!/usr/local/bin/perl
>>
>> %hsh = (
>> ABC => -abc,
>> DEF => -def,
>> );
>>
>> for $key (keys %hsh){
>> print "Key = $key Value = $hsh{$key}\n";
>> }
>> =============
>>
>> command used : perl -MDevel::Cover <aboveProgram>
>>
>> output:
>> =======
>> Devel::Cover 0.55: Collecting coverage data for branch, condition,
>> statement, subroutine and time.
>> Pod coverage is unvailable. Please install Pod::Coverage from CPAN.
>> Selecting packages matching:
>> Ignoring packages matching:
>> /Devel/Cover[./]
>> Ignoring packages in:
>> .
>> /proj/dite/WorkArea/Raja/perl/lib
>> /proj/dite/WorkArea/Raja/perl/lib/5.8.8
>> /proj/dite/WorkArea/Raja/perl/lib/5.8.8/i686-linux
>> /proj/dite/WorkArea/Raja/perl/lib/site_perl
>> /proj/dite/WorkArea/Raja/perl/lib/site_perl/5.8.8
>> /proj/dite/WorkArea/Raja/perl/lib/site_perl/5.8.8/i686-linux
>> Key = ABC Value = -abc
>> Key = DEF Value = -def
>> Devel::Cover: Can't find file "../../lib/Storable.pm": ignored.
>> Devel::Cover: Writing coverage database to
>> /sp/dftm/Activities/MemoryBIST/pbist/flow/data/cover_db/runs/1150441786.22790.00593
>> ----------------------------------- ------ ------ ------ ------ ------
>> ------
>> File stmt bran cond sub time
>> total
>> ----------------------------------- ------ ------ ------ ------ ------
>> ------
>> ...6905/LearnPerl/Hash_Example_2.pl 100.0 n/a n/a n/a 100.0
>> 100.0
>> Total 100.0 n/a n/a n/a 100.0
>> 100.0
>> ----------------------------------- ------ ------ ------ ------ ------
>> ------
>> =========
>>
>> I couldn't understand what the following message means :
>>
>> Devel::Cover: Can't find file "../../lib/Storable.pm": ignored.
>>
>> Even though this is being ignored here, this is causing problems down
>> the line. Can you help me on what this means and how to overcome this ?
>
> What it means is that when Devel::Cover went to examine all the data it
> had collected and map it back to reality, it went looking for the source
> code to Storable. When perl first loaded Storable it was found in the
> relative directory "../../lib/Storable.pm". What that was relative to,
> we don't really know. Perl doesn't store that information.
>
> Devel::Cover tries very hard to find that information (I won't go into
> the details, but it is messy), but doesn't always succeed. In
> particular, this warning is fairly common, and I haven't been able to
> track it down, though I suspect it has something to do with Storable
> being used by Devel::Cover itself and so it is loaded before
> Devel::Cover's hacks get a chance to kick in.
>
> What this means in practice is that you won't get a coverage report for
> Storable. But it's pretty unlikely you wanted one anyway, so this
> shouldn't be a great problem. So I am interested in what problems this
> causes down the line. To stop the warning I suggest the following
> options:
>
> 1. Fix Devel::Cover. Go on, please. You know you want to ;-)
> 2. Hack the source to disable the warning.
> 3. Filter the output.
> 4. Pretend you didn't see it.
>
> Most people take the fourth option since it really shouldn't cause any
> further problems.
>
fwiw:
Devel::Cover 0.55: Collecting coverage data for branch, condition, pod,
statement, subroutine and time.
Selecting packages matching:
Ignoring packages matching:
/Devel/Cover[./]
Ignoring packages in:
.
/usr/lib64/perl5/5.8.8
/usr/lib64/perl5/5.8.8/x86_64-linux
/usr/lib64/perl5/site_perl
/usr/lib64/perl5/site_perl/5.8.8
/usr/lib64/perl5/site_perl/5.8.8/x86_64-linux
/usr/lib64/perl5/vendor_perl
/usr/lib64/perl5/vendor_perl/5.8.8
/usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux
Key = ABC Value = -abc
Key = DEF Value = -def
Devel::Cover: Writing coverage database to
/home/cover_db/runs/1150852181.9923.33847
- ---------------------------- ------ ------ ------ ------ ------ ------
- ------
File stmt bran cond sub pod time
total
- ---------------------------- ------ ------ ------ ------ ------ ------
- ------
test 100.0 n/a n/a n/a n/a 100.0
100.0
Total 100.0 n/a n/a n/a n/a 100.0
100.0
- ---------------------------- ------ ------ ------ ------ ------ ------
- ------
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