# QR Code Generator

Generates PNG QR codes from a CSV/TSV file using `qrencode`.

## Input Format

| Column 1       | Column 2      |
|----------------|---------------|
| data to encode | output name   |
| 123456         | my_qr         |

- First row is a header (skipped).
- Column 1: the text/data to encode into a QR code.
- Column 2: base filename (`.png` is appended).

## Prerequisites

```bash
sudo apt install qrencode
```

## Usage

```bash
# CSV file (auto-detects comma delimiter)
python qr_generator.py data.csv

# With output directory
python qr_generator.py data.csv -o ./output

# Custom module size (default: 10)
python qr_generator.py data.csv -s 8

# TSV or other delimiter
python qr_generator.py data.tsv -d $'\t'
```

### Example

```bash
python qr_generator.py ../qr_file.csv -o ./qr_output
```