pattern Verified current stable Not installed? Documentation

Pattern / Forward Search String

Forward Search String

Execute a forward string search within a file using a specified pattern to locate content quickly.

$
Terminal
</><pattern>

When To Use

When diagnosing issues in large logs and specific string identification is essential for troubleshooting.

Pro Tip

Use regex patterns for precise searches, but beware of performance impacts on large datasets.

Command Builder

Tune the command before you copy it

Back to syntax
$
Generated Command
</><pattern>

Anatomy of Output

Understanding the result

Pattern found: error Matched String

Indicates the string that was found in the document.

Line number: 100 Location

Gives the line number where the match occurs.

Total occurrences: 15 Occurrence Summary

Number of times the pattern appears in the file.

Power User Variants

Optimized versions

pattern -i <pattern>

Ignore case when searching.

pattern -n <pattern>

Show line numbers with matches.

Unix Pipeline

Shell combinations

pattern -r <regex>

Use regex for complex searches.

pattern -c <pattern>

Count occurrences instead of displaying.

Troubleshooting

Common pitfalls

Error: Pattern not found

Solution: Verify the pattern; consider case sensitivity.

Invalid regex syntax

Solution: Check the pattern syntax for errors.

Search failed due to resource limits

Solution: Optimize pattern for performance.

Command Breakdown

What each part is doing

</><pattern>
Base Command
The executable that performs this operation. Here it runs Pattern before the shell applies any redirect operators.
<pattern>
pattern
The value supplied for pattern.

Alternative Approaches

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