ASCII Table Writer

Generate ASCII table on the fly ... Installation is simple as

go get github.com/olekukonko/tablewriter

Features

Automatic Padding
Support Multiple Lines
Supports Alignment
Support Custom Separators
Automatic Alignment of numbers & percentage
Write directly to http , file etc via io.Writer
Read directly from CSV file
Optional row line via SetRowLine
Normalise table header
Make CSV Headers optional
Enable or disable table border
Set custom footer support
Optional identical cells merging
Set custom caption
Optional reflowing of paragraphs in multi-line cells.

Example 1 - Basic

data := [][]string{
    []string{"A", "The Good", "500"},
    []string{"B", "The Very very Bad Man", "288"},
    []string{"C", "The Ugly", "120"},
    []string{"D", "The Gopher", "800"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Name", "Sign", "Rating"})

for _, v := range data {
    table.Append(v)
}
table.Render() // Send output

Output 1

+------+-----------------------+--------+
| NAME |         SIGN          | RATING |
+------+-----------------------+--------+
|  A   |       The Good        |    500 |
|  B   | The Very very Bad Man |    288 |
|  C   |       The Ugly        |    120 |
|  D   |      The Gopher       |    800 |
+------+-----------------------+--------+

Example 2 - Without Border / Footer / Bulk Append

data := [][]string{
    []string{"1/1/2014", "Domain name", "2233", "$10.98"},
    []string{"1/1/2014", "January Hosting", "2233", "$54.95"},
    []string{"1/4/2014", "February Hosting", "2233", "$51.00"},
    []string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"}) // Add Footer
table.SetBorder(false)                                // Set Border to false
table.AppendBulk(data)                                // Add Bulk Data
table.Render()

Output 2


    DATE   |       DESCRIPTION        |  CV2  | AMOUNT
-----------+--------------------------+-------+----------
  1/1/2014 | Domain name              |  2233 | $10.98
  1/1/2014 | January Hosting          |  2233 | $54.95
  1/4/2014 | February Hosting         |  2233 | $51.00
  1/4/2014 | February Extra Bandwidth |  2233 | $30.00
-----------+--------------------------+-------+----------
                                        TOTAL | $146 93
                                      --------+----------

Example 3 - CSV

table, _ := tablewriter.NewCSV(os.Stdout, "testdata/test_info.csv", true)
table.SetAlignment(tablewriter.ALIGN_LEFT)   // Set Alignment
table.Render()

Output 3

+----------+--------------+------+-----+---------+----------------+
|  FIELD   |     TYPE     | NULL | KEY | DEFAULT |     EXTRA      |
+----------+--------------+------+-----+---------+----------------+
| user_id  | smallint(5)  | NO   | PRI | NULL    | auto_increment |
| username | varchar(10)  | NO   |     | NULL    |                |
| password | varchar(100) | NO   |     | NULL    |                |
+----------+--------------+------+-----+---------+----------------+

Example 4 - Custom Separator

table, _ := tablewriter.NewCSV(os.Stdout, "testdata/test.csv", true)
table.SetRowLine(true)         // Enable row line

// Change table lines
table.SetCenterSeparator("*")
table.SetColumnSeparator("╪")
table.SetRowSeparator("-")

table.SetAlignment(tablewriter.ALIGN_LEFT)
table.Render()

Output 4

*------------*-----------*---------*
╪ FIRST NAME ╪ LAST NAME ╪   SSN   ╪
*------------*-----------*---------*
╪ John       ╪ Barry     ╪ 123456  ╪
*------------*-----------*---------*
╪ Kathy      ╪ Smith     ╪ 687987  ╪
*------------*-----------*---------*
╪ Bob        ╪ McCornick ╪ 3979870 ╪
*------------*-----------*---------*

Example 5 - Markdown Format

data := [][]string{
	[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
	[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
	[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
	[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
table.SetCenterSeparator("|")
table.AppendBulk(data) // Add Bulk Data
table.Render()

Output 5

|   DATE   |       DESCRIPTION        | CV2  | AMOUNT |
|----------|--------------------------|------|--------|
| 1/1/2014 | Domain name              | 2233 | $10.98 |
| 1/1/2014 | January Hosting          | 2233 | $54.95 |
| 1/4/2014 | February Hosting         | 2233 | $51.00 |
| 1/4/2014 | February Extra Bandwidth | 2233 | $30.00 |

Example 6 - Identical cells merging

data := [][]string{
  []string{"1/1/2014", "Domain name", "1234", "$10.98"},
  []string{"1/1/2014", "January Hosting", "2345", "$54.95"},
  []string{"1/4/2014", "February Hosting", "3456", "$51.00"},
  []string{"1/4/2014", "February Extra Bandwidth", "4567", "$30.00"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"})
table.SetAutoMergeCells(true)
table.SetRowLine(true)
table.AppendBulk(data)
table.Render()

Output 6

+----------+--------------------------+-------+---------+
|   DATE   |       DESCRIPTION        |  CV2  | AMOUNT  |
+----------+--------------------------+-------+---------+
| 1/1/2014 | Domain name              |  1234 | $10.98  |
+          +--------------------------+-------+---------+
|          | January Hosting          |  2345 | $54.95  |
+----------+--------------------------+-------+---------+
| 1/4/2014 | February Hosting         |  3456 | $51.00  |
+          +--------------------------+-------+---------+
|          | February Extra Bandwidth |  4567 | $30.00  |
+----------+--------------------------+-------+---------+
|                                       TOTAL | $146 93 |
+----------+--------------------------+-------+---------+

Example 7 - Identical cells merging (specify the column index to merge)

data := [][]string{
  []string{"1/1/2014", "Domain name", "1234", "$10.98"},
  []string{"1/1/2014", "January Hosting", "1234", "$10.98"},
  []string{"1/4/2014", "February Hosting", "3456", "$51.00"},
  []string{"1/4/2014", "February Extra Bandwidth", "4567", "$30.00"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"})
table.SetAutoMergeCellsByColumnIndex([]int{2, 3})
table.SetRowLine(true)
table.AppendBulk(data)
table.Render()

Output 7

+----------+--------------------------+-------+---------+
|   DATE   |       DESCRIPTION        |  CV2  | AMOUNT  |
+----------+--------------------------+-------+---------+
| 1/1/2014 | Domain name              |  1234 | $10.98  |
+----------+--------------------------+       +         +
| 1/1/2014 | January Hosting          |       |         |
+----------+--------------------------+-------+---------+
| 1/4/2014 | February Hosting         |  3456 | $51.00  |
+----------+--------------------------+-------+---------+
| 1/4/2014 | February Extra Bandwidth |  4567 | $30.00  |
+----------+--------------------------+-------+---------+
|                                       TOTAL | $146.93 |
+----------+--------------------------+-------+---------+

Table with color

data := [][]string{
	[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
	[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
	[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
	[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"}) // Add Footer
table.SetBorder(false)                                // Set Border to false

table.SetHeaderColor(tablewriter.Colors{tablewriter.Bold, tablewriter.BgGreenColor},
	tablewriter.Colors{tablewriter.FgHiRedColor, tablewriter.Bold, tablewriter.BgBlackColor},
	tablewriter.Colors{tablewriter.BgRedColor, tablewriter.FgWhiteColor},
	tablewriter.Colors{tablewriter.BgCyanColor, tablewriter.FgWhiteColor})

table.SetColumnColor(tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiRedColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgBlackColor})

table.SetFooterColor(tablewriter.Colors{}, tablewriter.Colors{},
	tablewriter.Colors{tablewriter.Bold},
	tablewriter.Colors{tablewriter.FgHiRedColor})

table.AppendBulk(data)
table.Render()

Table with color Output

Example - 8 Table Cells with Color

Individual Cell Colors from func Rich take precedence over Column Colors

data := [][]string{
	[]string{"Test1Merge", "HelloCol2 - 1", "HelloCol3 - 1", "HelloCol4 - 1"},
	[]string{"Test1Merge", "HelloCol2 - 2", "HelloCol3 - 2", "HelloCol4 - 2"},
	[]string{"Test1Merge", "HelloCol2 - 3", "HelloCol3 - 3", "HelloCol4 - 3"},
	[]string{"Test2Merge", "HelloCol2 - 4", "HelloCol3 - 4", "HelloCol4 - 4"},
	[]string{"Test2Merge", "HelloCol2 - 5", "HelloCol3 - 5", "HelloCol4 - 5"},
	[]string{"Test2Merge", "HelloCol2 - 6", "HelloCol3 - 6", "HelloCol4 - 6"},
	[]string{"Test2Merge", "HelloCol2 - 7", "HelloCol3 - 7", "HelloCol4 - 7"},
	[]string{"Test3Merge", "HelloCol2 - 8", "HelloCol3 - 8", "HelloCol4 - 8"},
	[]string{"Test3Merge", "HelloCol2 - 9", "HelloCol3 - 9", "HelloCol4 - 9"},
	[]string{"Test3Merge", "HelloCol2 - 10", "HelloCol3 -10", "HelloCol4 - 10"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Col1", "Col2", "Col3", "Col4"})
table.SetFooter([]string{"", "", "Footer3", "Footer4"})
table.SetBorder(false)

table.SetHeaderColor(tablewriter.Colors{tablewriter.Bold, tablewriter.BgGreenColor},
	tablewriter.Colors{tablewriter.FgHiRedColor, tablewriter.Bold, tablewriter.BgBlackColor},
	tablewriter.Colors{tablewriter.BgRedColor, tablewriter.FgWhiteColor},
	tablewriter.Colors{tablewriter.BgCyanColor, tablewriter.FgWhiteColor})

table.SetColumnColor(tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiRedColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
	tablewriter.Colors{tablewriter.Bold, tablewriter.FgBlackColor})

table.SetFooterColor(tablewriter.Colors{}, tablewriter.Colors{},
	tablewriter.Colors{tablewriter.Bold},
	tablewriter.Colors{tablewriter.FgHiRedColor})

colorData1 := []string{"TestCOLOR1Merge", "HelloCol2 - COLOR1", "HelloCol3 - COLOR1", "HelloCol4 - COLOR1"}
colorData2 := []string{"TestCOLOR2Merge", "HelloCol2 - COLOR2", "HelloCol3 - COLOR2", "HelloCol4 - COLOR2"}

for i, row := range data {
	if i == 4 {
		table.Rich(colorData1, []tablewriter.Colors{tablewriter.Colors{}, tablewriter.Colors{tablewriter.Normal, tablewriter.FgCyanColor}, tablewriter.Colors{tablewriter.Bold, tablewriter.FgWhiteColor}, tablewriter.Colors{}})
		table.Rich(colorData2, []tablewriter.Colors{tablewriter.Colors{tablewriter.Normal, tablewriter.FgMagentaColor}, tablewriter.Colors{}, tablewriter.Colors{tablewriter.Bold, tablewriter.BgRedColor}, tablewriter.Colors{tablewriter.FgHiGreenColor, tablewriter.Italic, tablewriter.BgHiCyanColor}})
	}
	table.Append(row)
}

table.SetAutoMergeCells(true)
table.Render()

Table cells with color Output

Example 9 - Set table caption

data := [][]string{
    []string{"A", "The Good", "500"},
    []string{"B", "The Very very Bad Man", "288"},
    []string{"C", "The Ugly", "120"},
    []string{"D", "The Gopher", "800"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Name", "Sign", "Rating"})
table.SetCaption(true, "Movie ratings.")

for _, v := range data {
    table.Append(v)
}
table.Render() // Send output

Note: Caption text will wrap with total width of rendered table.

Output 9

+------+-----------------------+--------+
| NAME |         SIGN          | RATING |
+------+-----------------------+--------+
|  A   |       The Good        |    500 |
|  B   | The Very very Bad Man |    288 |
|  C   |       The Ugly        |    120 |
|  D   |      The Gopher       |    800 |
+------+-----------------------+--------+
Movie ratings.

Example 10 - Set NoWhiteSpace and TablePadding option

data := [][]string{
    {"node1.example.com", "Ready", "compute", "1.11"},
    {"node2.example.com", "Ready", "compute", "1.11"},
    {"node3.example.com", "Ready", "compute", "1.11"},
    {"node4.example.com", "NotReady", "compute", "1.11"},
}

table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Name", "Status", "Role", "Version"})
table.SetAutoWrapText(false)
table.SetAutoFormatHeaders(true)
table.SetHeaderAlignment(ALIGN_LEFT)
table.SetAlignment(ALIGN_LEFT)
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeaderLine(false)
table.SetBorder(false)
table.SetTablePadding("\t") // pad with tabs
table.SetNoWhiteSpace(true)
table.AppendBulk(data) // Add Bulk Data
table.Render()

Output 10

NAME             	STATUS  	ROLE   	VERSION 
node1.example.com	Ready   	compute	1.11   	
node2.example.com	Ready   	compute	1.11   	
node3.example.com	Ready   	compute	1.11   	
node4.example.com	NotReady	compute	1.11

Render table into a string

Instead of rendering the table to io.Stdout you can also render it into a string. Go 1.10 introduced the strings.Builder type which implements the io.Writer interface and can therefore be used for this task. Example:

package main

import (
    "strings"
    "fmt"

    "github.com/olekukonko/tablewriter"
)

func main() {
    tableString := &strings.Builder{}
    table := tablewriter.NewWriter(tableString)

    /*
     * Code to fill the table
     */

    table.Render()

    fmt.Println(tableString.String())
}

TODO

~~Import Directly from CSV~~ - done
~~Support for SetFooter~~ - done
~~Support for SetBorder~~ - done
~~Support table with uneven rows~~ - done
~~Support custom alignment~~
General Improvement & Optimisation
NewHTML Parse table from HTML

Name		Name	Last commit message	Last commit date
Latest commit History 202 Commits
csv2table		csv2table
testdata		testdata
.gitignore		.gitignore
.travis.yml		.travis.yml
LICENSE.md		LICENSE.md
README.md		README.md
csv.go		csv.go
go.mod		go.mod
go.sum		go.sum
table.go		table.go
table_test.go		table_test.go
table_with_color.go		table_with_color.go
util.go		util.go
wrap.go		wrap.go
wrap_test.go		wrap_test.go

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ASCII Table Writer

Features

Example 1 - Basic

Output 1

Example 2 - Without Border / Footer / Bulk Append

Output 2

Example 3 - CSV

Output 3

Example 4 - Custom Separator

Output 4

Example 5 - Markdown Format

Output 5

Example 6 - Identical cells merging

Output 6

Example 7 - Identical cells merging (specify the column index to merge)

Output 7

Table with color

Table with color Output

Example - 8 Table Cells with Color

Table cells with color Output

Example 9 - Set table caption

Output 9

Example 10 - Set NoWhiteSpace and TablePadding option

Output 10

Render table into a string

TODO

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unidoc/tablewriter

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ASCII Table Writer

Features

Example 1 - Basic

Output 1

Example 2 - Without Border / Footer / Bulk Append

Output 2

Example 3 - CSV

Output 3

Example 4 - Custom Separator

Output 4

Example 5 - Markdown Format

Output 5

Example 6 - Identical cells merging

Output 6

Example 7 - Identical cells merging (specify the column index to merge)

Output 7

Table with color

Table with color Output

Example - 8 Table Cells with Color

Table cells with color Output

Example 9 - Set table caption

Output 9

Example 10 - Set NoWhiteSpace and TablePadding option

Output 10

Render table into a string

TODO

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