# pdftract-ruby
Ruby SDK for pdftract - PDF extraction and conformance testing.
## Installation
```bash
gem install pdftract -v {{ version }}
```
Or in your Gemfile:
```ruby
gem 'pdftract', '~> {{ version }}'
```
## Usage
### Basic extract
```ruby
require 'pdftract'
client = Pdftract.client
doc = client.extract(Pdftract::PathSource.new('document.pdf'))
puts "Pages: #{doc.pages.length}"
```
### Extract with OCR
```ruby
options = OpenStruct.new(
ocr_language: 'eng',
ocr_threshold: 0.7
)
doc = client.extract(Pdftract::PathSource.new('scanned.pdf'), options)
```
### Search
```ruby
client.search(Pdftract::PathSource.new('document.pdf'), 'invoice').each do |match|
puts "Found on page #{match.page}: #{match.text}"
end
```
### Stream extraction
```ruby
client.extract_stream(Pdftract::PathSource.new('large.pdf')).each do |page|
puts "Page #{page.page}: #{page.blocks&.length || 0} blocks"
end
```
## Binary version compatibility
This SDK requires pdftract {{ version }}. Download from:
https://github.com/jedarden/pdftract/releases/tag/v{{ version }}
## Troubleshooting
### Binary not found
Ensure `pdftract` is on your PATH. The SDK probes PATH for the executable.
### Version mismatch
The SDK will refuse to invoke mismatched binary versions. Install the correct version.
### Network failure
For remote URLs, check your network connection and TLS certificate chain.
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