Find Unique Errors
Find unique error lines in logs
ExtractHow it works
1. grep Filter lines matching a pattern 2. sort-lines Sort lines alphabetically 3. unique-lines Remove duplicate lines
$ grep --pattern=error | sort-lines | unique-lines Examples
Deduplicate error lines from a server log file
Usage
"2024-01-15 INFO: Server started
2024-01-15 ERROR: Connection..." | grep --pattern=error | sort-lines | unique-lines Extract unique CI/CD pipeline errors from build output
Usage
"[ERROR] Build failed: missing module
[WARN] Deprecated API
[..." | grep --pattern=error | sort-lines | unique-lines Find distinct Java exceptions from an application log
Usage
"ERROR: NullPointerException at line 42
DEBUG: Processing rec..." | grep --pattern=error | sort-lines | unique-lines