Add a tool to parse metrics output and extract URLs within ranges by page view count

create-url-list/.gitignore

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+output/
+test-output/
+create-url-list
+config.yml

create-url-list/README.md

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+# create-url-list
+
+A Go CLI tool that extracts and ranks URLs by pageviews from CSV data containing page analytics.
+
+## Build
+
+```bash
+go build
+```
+
+## Usage
+
+```bash
+./create-url-list [--quiet] <csv-file-path> [range] [output-path]
+```
+
+### Arguments
+
+1. **--quiet** (optional): Suppress all informational output (warnings, info messages, and success messages). Only errors will be displayed. Useful when using this tool in pipelines.
+2. **csv-file-path** (required): Path to the input CSV file
+3. **range** (optional): Rank range in format `min-max` (e.g., `1-50`). Default: `1-250`
+   - Specifies which ranked entries to include in the output
+   - `1-50` means "get the top 50 pages by pageviews"
+   - `51-100` means "get pages ranked 51-100 by pageviews"
+4. **output-path** (optional): Custom output file path. Default: `output/YYYY-MM-DD_HH-MM-SS_range.csv`
+
+### Examples
+
+```bash
+# Get top 250 pages by pageviews (default)
+./create-url-list data.csv
+
+# Get top 50 pages by pageviews
+./create-url-list data.csv 1-50
+
+# Get pages ranked 101-200 by pageviews
+./create-url-list data.csv 101-200
+
+# Specify custom output path
+./create-url-list data.csv 1-100 results/top-100.csv
+
+# Use in a pipeline with quiet mode (no informational output)
+./create-url-list --quiet data.csv 1-50 output.csv
+```
+
+## Input Requirements
+
+The input CSV file must contain the following columns:
+- `Page`: URL of the page (must start with `www.`)
+- `Measure Names`: Type of metric
+- `Measure Values`: Integer value of the metric
+
+The tool will:
+- Collect all rows where `Measure Names` equals `Pageviews`
+- Rank them by `Measure Values` (highest to lowest)
+- Extract entries within the specified rank range
+- Validate that URLs start with `www.` (to ensure consistent format without `https://`)
+
+## Output
+
+The output CSV file contains two columns (no headers):
+1. Rank (integer) - Position in the ranking (1 = highest pageviews)
+2. URL (string) - Page URL
+
+Rows are sorted by rank in ascending order (rank 1 first).
+
+## Configuration (Optional)
+
+You can create a `config.yml` file in the same directory as the executable to configure URL filtering and output format:
+
+```yaml
+# List of URLs to ignore from the output
+ignore_urls:
+  - www.example.com/page-to-ignore
+  - www.example.com/another-page-to-ignore
+
+# Whether to show pageviews as a third column in the output
+show_pageviews: true
+
+# Whether to include headers in the output CSV
+show_headers: true
+```
+
+### Configuration Options
+
+**`ignore_urls`** (optional)
+- URLs listed here will be completely removed from the ranking (not just hidden)
+- Excluded before ranking is calculated, so remaining URLs move up without gaps
+- For example, if you ignore rank #2, the former rank #3 becomes the new rank #2
+
+**`show_pageviews`** (optional, default: `false`)
+- When `false`: Output contains 2 columns (rank, URL)
+- When `true`: Output contains 3 columns (rank, URL, pageviews)
+
+**`show_headers`** (optional, default: `false`)
+- When `false`: No headers in output (just data rows)
+- When `true`: Adds header row with column names
+  - Without pageviews: `Rank,Page`
+  - With pageviews: `Rank,Page,Number of Page Views`
+
+The config file is optional. If it doesn't exist or can't be loaded, the tool will display a warning and continue with default settings.
+
+## Error Handling
+
+The tool exits with code 1 and displays an error message if:
+- Input file path is invalid or file doesn't exist
+- Required columns are missing from the CSV
+- URL structure doesn't match expected format (must start with `www.`)
+- Range format is invalid

create-url-list/config.yml.example

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+# Configuration file for create-url-list
+# Copy this file to config.yml and customize as needed
+
+# List of URLs to ignore from the output
+# These URLs will be filtered out before ranking, so they won't create gaps
+# in the ranking numbers
+ignore_urls:
+  - www.example.com/page-to-ignore
+  - www.example.com/another-page-to-ignore
+
+# Whether to show pageviews as a third column in the output
+# Default: false (output only rank and URL)
+# When true: output rank, URL, and pageviews
+show_pageviews: false
+
+# Whether to include headers in the output CSV
+# Default: false (no headers)
+# When true: adds "Rank", "Page", and optionally "Number of Page Views" as headers
+show_headers: false
+

create-url-list/go.mod

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+module create-url-list
+
+go 1.25.4
+
+require gopkg.in/yaml.v3 v3.0.1 // indirect

create-url-list/go.sum

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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=