hpcc-systems/HPCC-Platform — pull request #3564 by ghalliday (2012-10-22 12:48:57+00:00)
Title: HPCC-8000 Improve error message when cannot open a file.

It appears to be possible for file->exists() to succeed, but file->size()
to return -1. This patch changes the error message to indicate the file
couldn't e read instead of complaining it was > 4Gb.

Signed-off-by: Gavin Halliday