Full run using a dev build of berrybrew.
> assoc .pl
.pl=Perl_program_file
> ftype Perl_program_file
Perl_program_file=C:\Strawberry\perl\bin\perl.exe %1 %*
> build\berrybrew list
5.16.3_64
5.10.1_32
> build\berrybrew switch 5.16.3_64
Switched to Perl version 5.16.3_64...
> build\berrrybrew associate set
berrybrew is now managing the Perl file association
> assoc .pl
.pl=berrybrewPerl
> ftype berrybrewPerl
berrybrewPerl=C:\berrybrew\5.16.3_64\perl\bin\perl.exe %1 %*
> t\data\assoc.pl
Hello, world!
C:\berrybrew\5.16.3_64\perl\bin\perl.exe
> build\berrybrew.exe switch 5.10.1_32
Switched to Perl version 5.10.1_32...
> ftype berrybrewPerl
berrybrewPerl=C:\berrybrew\5.10.1_32\perl\bin\perl.exe %1 %*
> t\data\assoc.pl
Hello, world!
C:\berrybrew\5.10.1_32\perl\bin\perl.exe
> build\berrybrew associate unset
Set Perl file association back to default
> assoc .pl
.pl=Perl_program_file
> ftype Perl_program_file
Perl_program_file=C:\Strawberry\perl\bin\perl.exe %1 %*
