go-tableify

Pretty console printing of tabular data

Installation

Make sure you have a working Go environment. Follow the Go install instructions.

To install go-tableify, simply run:

go get github.com/subchen/go-tableify

Example

Manunal Set

package main

import (
    "github.com/subchen/go-tableify"
)

func main() {
    t := tableify.New()
    t.SetHeaders("Name", "Files", "Updated")
    t.SetWidths(10, 0, 0) // optional
    t.EmptyText = "no data in table"

    t.AddRow("yum-repo", 45, "2018-01-06T07:45:22Z")
    t.AddRow("deb-repo", 12, "2018-01-06T08:05:09Z")

    t.Print()
}

Using Struct

package main

import (
    "github.com/subchen/go-tableify"
)

type Repo struct {
    Name        string   `json:"name" tableify:"-"`
    Desc        string   `json:"desc"`
    Files       int      `json:"files" tableify:"-,5"`
    LastUpdated string   `json:"lastUpdated" tableify:"Updated"`
}

func main() {
    repolist := []Repo{
        {
            Name:         "yum-repo",
            Files:        45,
            LastUpdated:  "2018-01-06T07:45:22Z",
        },
        {
            Name:         "deb-repo",
            Files:        12,
            LastUpdated:  "2018-01-06T08:05:09Z",
        },
    }

    t := tableify.New()
    t.SetHeadersFromStruct(new(Repo))
    t.AddRowObjectList(repolist)
    t.Print()
}

Struct Field Tag formats:

• name or -

  eg: tableify:"-", tableify:"NAME"

• name,width

  eg: tableify:"-,20"

• name,width,format

  eg: tableify:"-,0,%.2f"

Output

Name         Files   Updated
-----------------------------------------
yum-repo     45      2018-01-06T07:45:22Z
deb-repo     12      2018-01-06T08:05:09Z