- name
- file-convert
- description
- Convert between file formats: CSV↔JSON, Markdown↔HTML, YAML↔JSON, images, and more. No external service needed.
- version
- 1.0.0
- metadata
- {"echo":{"tags":["Convert","Files","CSV","JSON","Markdown","HTML","Utility"]}}
# File Convert
Common format conversions using Python stdlib + minimal dependencies.
## Quick Conversions
### CSV → JSON
```bash
python3 -c "import csv,json,sys; print(json.dumps(list(csv.DictReader(open(sys.argv[1]))),ensure_ascii=False,indent=2))" data.csv
```
### JSON → CSV
```python
import json, csv, sys
data = json.load(open(sys.argv[1]))
w = csv.DictWriter(sys.stdout, fieldnames=data[0].keys())
w.writeheader(); w.writerows(data)
```
### YAML → JSON
```bash
python3 -c "import yaml,json,sys; print(json.dumps(yaml.safe_load(open(sys.argv[1])),ensure_ascii=False,indent=2))" file.yaml
```
### JSON → YAML
```bash
python3 -c "import yaml,json,sys; print(yaml.dump(json.load(open(sys.argv[1])),allow_unicode=True,default_flow_style=False))" file.json
```
### Markdown → HTML
```bash
pip install markdown
python3 -c "import markdown,sys; print(markdown.markdown(open(sys.argv[1]).read(),extensions=['tables','fenced_code']))" file.md
```
### Base64 encode/decode
```bash
base64 < file.bin > file.b64
base64 -d < file.b64 > file.bin
```
## Universal Converter Script
```bash
python3 scripts/convert.py input.csv output.json
python3 scripts/convert.py data.yaml data.json
python3 scripts/convert.py README.md README.html
```
Auto-detects format from file extension and performs the appropriate conversion.
GitHubで見る