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GitHub - artonge/go-csv-tag: Read csv file from go using tags
Read csv file from go using tags. Contribute to artonge/go-csv-tag development by creating an account on GitHub.
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GitHub - artonge/go-csv-tag: Read csv file from go using tags

GitHub - artonge/go-csv-tag: Read csv file from go using tags

go-csv-tag

Read csv file from Go using tags

godoc for artonge/go-csv-tag

Go goreportcard for artonge/go-csv-tag

PRs Welcome

The project is in maintenance mode.

It is kept compatible with changes in the Go ecosystem but no new features will be developed. PR could be accepted.

Install

go get github.com/artonge/go-csv-tag/v2

Example

Load

The csv file:

name, ID, number
name1, 1, 1.2
name2, 2, 2.3
name3, 3, 3.4

Your Go code:

type Demo struct {                                // A structure with tags
	Name string  `csv:"name"`
	ID   int     `csv:"ID"`
	Num  float64 `csv:"number"`
}

tab := []Demo{}                                   // Create the slice where to put the content
err  := csvtag.LoadFromPath(
	"file.csv",                                   // Path of the csv file
	&tab,                                         // A pointer to the create slice
	csvtag.CsvOptions{                            // Load your csv with optional options
		Separator: ';',                           // changes the values separator, default to ','
		Header: []string{"name", "ID", "number"}, // specify custom headers
		TagKey: "csv",                            // specify a custom tag key, default to 'csv'
})

You can also load the data from an io.Reader with:

csvtag.LoadFromReader(youReader, &tab)

Or from a string with:

csvtag.LoadFromString(yourString, &tab)

Dump

Your Go code:

type Demo struct {                         // A structure with tags
	Name string  `csv:"name"`
	ID   int     `csv:"ID"`
	Num  float64 `csv:"number"`
}

tab := []Demo{                             // Create the slice where to put the content
	Demo{
		Name: "some name",
		ID: 1,
		Num: 42.5,
	},
}

err := csvtag.DumpToFile(tab, "csv_file_name.csv")

You can also dump the data into an io.Writer with:

err := csvtag.DumpToWriter(tab, yourIOWriter)

Or dump to a string with:

str, err := csvtag.DumpToString(tab)

The csv file written:

name,ID,number
some name,1,42.5

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