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Odd Line Extractor

Extract odd-numbered lines from text content with support for various indexing methods and custom criteria

Key Facts

Category
Text Processing
Input Types
textarea, select, number, checkbox
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The Odd Line Extractor is a specialized text processing tool designed to isolate and extract specific lines from your documents based on numerical patterns, indexing methods, and custom criteria.

When to Use

  • •When you need to separate alternating data points from a long list or log file.
  • •When cleaning up datasets that contain interleaved headers or metadata on even lines.
  • •When you need to extract specific segments of text based on custom index patterns for data analysis.

How It Works

  • •Paste your text content into the input area.
  • •Select your preferred counting method, such as 1-based indexing or alternating patterns.
  • •Configure optional settings like trimming whitespace or including empty lines to refine your results.
  • •Choose your desired output format, such as a numbered list, CSV, or plain text, and generate the extracted content.

Use Cases

Filtering interleaved log files to isolate specific event entries.
Extracting data from formatted text reports where every second line contains secondary information.
Preparing structured text data for import into spreadsheet software using CSV or table formats.

Examples

1. Cleaning Interleaved Log Files

System Administrator
Background
A server log file contains timestamps on odd lines and error messages on even lines.
Problem
Need to extract only the timestamps for a summary report.
How to Use
Paste the log file, select '1-based' indexing, and set the output format to 'Plain Text'.
Example Config
countingMethod: 1-based, outputFormat: simple
Outcome
A clean list containing only the timestamp entries from the log file.

2. Formatting Data for Spreadsheet Import

Data Analyst
Background
A raw text export contains alternating rows of names and addresses.
Problem
Need to extract only the names (odd lines) into a structured format.
How to Use
Paste the text, select '1-based' indexing, and choose 'CSV' as the output format.
Example Config
countingMethod: 1-based, outputFormat: csv
Outcome
A CSV-formatted list of names ready for direct import into Excel or Google Sheets.

Try with Samples

text
Markdown Link Extractor Samples
Sample Markdown documents with various link types for testing the Markdown Link Extractor tool
title token extractor
text
Phone Number Extractor Samples
Collection of mixed text containing phone numbers from various countries for extraction testing
title token extractor
text
Changelog Extractor Samples
Various changelog formats for testing changelog parsing and extraction tools
title token extractor
text
Duplicate Line Samples
Sample files with various types of duplicate lines for testing duplicate removal tools
title token line
text

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FAQ

Can I extract even lines instead of odd lines?

Yes, by selecting the 'Even-Based' counting method or adjusting the start index, you can target even-numbered lines.

Does the tool support large text files?

The tool is optimized for standard text processing tasks; simply paste your content into the text area to begin extraction.

Can I keep the original line numbers in the output?

Yes, enable the 'Preserve Original Line Numbers' option to maintain the context of your source text.

What output formats are available?

You can export your results as a numbered list, table, JSON, CSV, or plain text.

How does the 'Custom Pattern' method work?

The custom pattern allows you to define specific line intervals beyond standard odd/even sequences for more complex extraction needs.

API Documentation

Request Endpoint

POST /en/api/tools/odd-line-extractor

Request Parameters

Parameter Name Type Required Description
textInput textarea Yes -
countingMethod select Yes -
startIndex number No -
trimLines checkbox No -
includeEmptyLines checkbox No -
preserveLineNumbers checkbox No -
showLineNumbers checkbox No -
outputFormat select Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-odd-line-extractor": {
      "name": "odd-line-extractor",
      "description": "Extract odd-numbered lines from text content with support for various indexing methods and custom criteria",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=odd-line-extractor",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]