The scenario
When analyzing large log files, one often needs to extract only lines matching a specific error severity level. This flowchart illustrates the decision logic to read each line, check severity, and write matching lines to a filtered output.
What is in this drawing
Read the decisions behind it.
01
Check end of file
02
Check if severity equals ERROR
Reusable for any log filtering task where you need to filter rows based on a string condition.
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