Categories

← View All Tools

Line Skip Extractor

Extract lines from text at regular intervals with customizable skip and extract patterns. Perfect for sampling every Nth line or extracting multiple lines with gaps.

Key Facts

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

Overview

The Line Skip Extractor is a precision text processing tool designed to sample or filter content by extracting specific lines at regular intervals. Whether you need to pull every Nth line from a large dataset or skip headers and metadata to isolate core information, this utility provides a flexible way to structure your text output.

When to Use

  • •When you need to extract specific data points from large log files or structured text lists.
  • •When you want to remove repetitive headers or unwanted spacing by skipping specific line counts.
  • •When you need to sample a large document to create a smaller, representative subset of data.

How It Works

  • •Paste your source text into the input area.
  • •Define your pattern by setting the 'Skip Count' (lines to ignore) and 'Extract Count' (lines to keep).
  • •Adjust the 'Start Index' if you need to offset the beginning of your extraction.
  • •Select your preferred output format, such as JSON, CSV, or a numbered list, and process the text.

Use Cases

Data Sampling: Quickly extract every 10th line from a massive dataset for statistical analysis.
Log Cleaning: Remove timestamp headers or repetitive system messages by skipping specific lines.
Report Formatting: Convert raw text dumps into structured CSV or JSON formats for spreadsheet imports.

Examples

1. Extracting Data Samples from Logs

Data Analyst
Background
A large server log file contains thousands of entries, and the analyst needs a small sample to verify data patterns.
Problem
Manually selecting lines is inefficient and prone to human error.
How to Use
Paste the log content, set 'Skip Count' to 99, and 'Extract Count' to 1 to get every 100th line.
Outcome
The tool generates a clean, sampled list of 1% of the total log entries, ready for quick review.

2. Cleaning Structured Text Reports

Administrative Assistant
Background
A report is generated with a header, a data line, and two blank lines repeatedly.
Problem
The user only wants the data lines and needs to remove the headers and blank spaces.
How to Use
Set 'Start Index' to 2, 'Skip Count' to 3, and 'Extract Count' to 1.
Outcome
The tool strips away all headers and empty lines, leaving only the relevant data rows in a clean list.

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

Related Hubs

Text Convert Tools
Explore 80 text tools for convert workflows and compare closely related utilities quickly.
Text Tools
Explore 33 text tools for utility workflows and compare closely related utilities quickly.
Text Analyze Tools
Explore 12 text tools for analyze workflows and compare closely related utilities quickly.
Text Format Tools
Explore 9 text tools for format workflows and compare closely related utilities quickly.

FAQ

Can I extract more than one line at a time?

Yes, you can adjust the 'Extract Count' to pull multiple consecutive lines before the tool skips to the next interval.

How does the 'Skip Count' work?

The Skip Count determines how many lines the tool ignores after completing an extraction cycle.

What happens to empty lines in my text?

You can toggle the 'Include Empty Lines' option to either preserve them in the output or filter them out entirely.

Can I keep the original line numbers?

Yes, the tool includes a 'Preserve Original Line Numbers' option to ensure you can track the source of your extracted data.

What output formats are supported?

The tool supports several formats including Plain Text, Numbered List, Table, JSON, and CSV.

API Documentation

Request Endpoint

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

Request Parameters

Parameter Name Type Required Description
textInput textarea Yes -
skipCount number No -
extractCount number No -
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-step-line-extractor": {
      "name": "step-line-extractor",
      "description": "Extract lines from text at regular intervals with customizable skip and extract patterns. Perfect for sampling every Nth line or extracting multiple lines with gaps.",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=step-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]