Files
go-toml/cmd/tomljson/main.go
T
Thomas Pelletier 67bc5422f3 Go 1.19 (#802)
2022-08-15 10:56:33 -04:00

64 lines
1.1 KiB
Go

// Package tomljson is a program that converts TOML to JSON.
//
// # Usage
//
// Reading from stdin:
//
// cat file.toml | tomljson > file.json
//
// Reading from a file:
//
// tomljson file.toml > file.json
//
// # Installation
//
// Using Go:
//
// go install github.com/pelletier/go-toml/v2/cmd/tomljson@latest
package main
import (
"encoding/json"
"errors"
"fmt"
"io"
"github.com/pelletier/go-toml/v2"
"github.com/pelletier/go-toml/v2/internal/cli"
)
const usage = `tomljson can be used in two ways:
Reading from stdin:
cat file.toml | tomljson > file.json
Reading from a file:
tomljson file.toml > file.json
`
func main() {
p := cli.Program{
Usage: usage,
Fn: convert,
}
p.Execute()
}
func convert(r io.Reader, w io.Writer) error {
var v interface{}
d := toml.NewDecoder(r)
err := d.Decode(&v)
if err != nil {
var derr *toml.DecodeError
if errors.As(err, &derr) {
row, col := derr.Position()
return fmt.Errorf("%s\nerror occurred at row %d column %d", derr.String(), row, col)
}
return err
}
e := json.NewEncoder(w)
e.SetIndent("", " ")
return e.Encode(v)
}