Details
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Type:
Bug
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Status: Closed
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Priority:
Not Evaluated
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Resolution: Invalid
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Affects Version/s: 5.14
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Fix Version/s: None
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Component/s: Core: QString and Unicode
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Labels:
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Environment:Fedora 32, x86_64
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Platform/s:
Description
Reading line by line from a UTF-8 file using QTextStream in a loop till QFile::atEnd(), seems to stop midway. I have attached a simple test program and input file to recreate the problem. The program simply reads the file line by line and increments a line number variable. Finally, outside the loop, the line number is printed. It is found to be much less than the total lines in the file.
I spotted the problem when I was trying to read a UTF-8 file, filter out some lines and write the rest to another file. There are very weird observations such as difference in outputs with and without explicit calls to QFile::close() just before returning from main().