Use == not = for string comparison in test_perl.sh otherwise  additional examples are not run, even if latest pdl is installed.
Use == not = for string comparison in test_perl.sh otherwise 
additional examples are not run, even if latest pdl is installed.


svn path=/trunk/; revision=9253

FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot,FreeScienceCommunity/PLPlot