The error is occurring during the import of Devel::Cover which occurs before actually reading the script. Is your flow runner tool making a different cover_db unrelated to Devel::Cover for its own uses? If not, simply delete (rm -r) "/tests/cover_db" and any similar directories that appear in later errors. If so, try setting DEVEL_COVER_OPTIONS to "-db /PATH/TO/COVERAGE/DB" to specify a path that the flow runner will not be using.

You can merge multiple databases by simply mentioning all of them on the command line for cover. You can use the -write NEWDB option to write the merged database or simply merge the databases in-memory and immediately produce a report.

In reply to Re^3: Creating coverage big report by jcb
in thread Creating coverage big report by ovedpo15

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