LOG-ANALYSIS

Filtering Log Files by Error Severity

A worked log-analysis example, rendered live. Open it in the AI editor and adapt it to your own case.

UPDATED 2026-06-29
EXAMPLEFiltering Log Files by Error Severity
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CASE ANALYSIS

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.

Key decisions

  • Check end of file
  • Check if severity equals ERROR

When to reuse this

Reusable for any log filtering task where you need to filter rows based on a string condition.

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