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396 lines
14 KiB
396 lines
14 KiB
ASCII Table Writer
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=========
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[](https://travis-ci.org/olekukonko/tablewriter)
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[](https://sourcegraph.com/github.com/olekukonko/tablewriter)
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[](https://godoc.org/github.com/olekukonko/tablewriter)
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Generate ASCII table on the fly ... Installation is simple as
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go get github.com/olekukonko/tablewriter
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#### Features
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- Automatic Padding
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- Support Multiple Lines
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- Supports Alignment
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- Support Custom Separators
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- Automatic Alignment of numbers & percentage
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- Write directly to http , file etc via `io.Writer`
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- Read directly from CSV file
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- Optional row line via `SetRowLine`
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- Normalise table header
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- Make CSV Headers optional
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- Enable or disable table border
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- Set custom footer support
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- Optional identical cells merging
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- Set custom caption
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- Optional reflowing of paragrpahs in multi-line cells.
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#### Example 1 - Basic
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```go
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data := [][]string{
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[]string{"A", "The Good", "500"},
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[]string{"B", "The Very very Bad Man", "288"},
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[]string{"C", "The Ugly", "120"},
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[]string{"D", "The Gopher", "800"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Name", "Sign", "Rating"})
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for _, v := range data {
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table.Append(v)
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}
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table.Render() // Send output
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```
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##### Output 1
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```
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+------+-----------------------+--------+
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| NAME | SIGN | RATING |
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+------+-----------------------+--------+
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| A | The Good | 500 |
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| B | The Very very Bad Man | 288 |
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| C | The Ugly | 120 |
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| D | The Gopher | 800 |
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+------+-----------------------+--------+
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```
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#### Example 2 - Without Border / Footer / Bulk Append
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```go
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data := [][]string{
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[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
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[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
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[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
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[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
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table.SetFooter([]string{"", "", "Total", "$146.93"}) // Add Footer
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table.SetBorder(false) // Set Border to false
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table.AppendBulk(data) // Add Bulk Data
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table.Render()
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```
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##### Output 2
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```
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DATE | DESCRIPTION | CV2 | AMOUNT
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-----------+--------------------------+-------+----------
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1/1/2014 | Domain name | 2233 | $10.98
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1/1/2014 | January Hosting | 2233 | $54.95
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1/4/2014 | February Hosting | 2233 | $51.00
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1/4/2014 | February Extra Bandwidth | 2233 | $30.00
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-----------+--------------------------+-------+----------
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TOTAL | $146 93
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--------+----------
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```
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#### Example 3 - CSV
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```go
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table, _ := tablewriter.NewCSV(os.Stdout, "testdata/test_info.csv", true)
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table.SetAlignment(tablewriter.ALIGN_LEFT) // Set Alignment
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table.Render()
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```
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##### Output 3
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```
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+----------+--------------+------+-----+---------+----------------+
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| FIELD | TYPE | NULL | KEY | DEFAULT | EXTRA |
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+----------+--------------+------+-----+---------+----------------+
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| user_id | smallint(5) | NO | PRI | NULL | auto_increment |
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| username | varchar(10) | NO | | NULL | |
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| password | varchar(100) | NO | | NULL | |
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+----------+--------------+------+-----+---------+----------------+
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```
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#### Example 4 - Custom Separator
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```go
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table, _ := tablewriter.NewCSV(os.Stdout, "testdata/test.csv", true)
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table.SetRowLine(true) // Enable row line
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// Change table lines
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table.SetCenterSeparator("*")
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table.SetColumnSeparator("╪")
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table.SetRowSeparator("-")
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table.SetAlignment(tablewriter.ALIGN_LEFT)
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table.Render()
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```
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##### Output 4
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```
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*------------*-----------*---------*
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╪ FIRST NAME ╪ LAST NAME ╪ SSN ╪
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*------------*-----------*---------*
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╪ John ╪ Barry ╪ 123456 ╪
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*------------*-----------*---------*
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╪ Kathy ╪ Smith ╪ 687987 ╪
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*------------*-----------*---------*
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╪ Bob ╪ McCornick ╪ 3979870 ╪
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*------------*-----------*---------*
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```
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#### Example 5 - Markdown Format
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```go
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data := [][]string{
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[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
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[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
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[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
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[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
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table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
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table.SetCenterSeparator("|")
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table.AppendBulk(data) // Add Bulk Data
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table.Render()
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```
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##### Output 5
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```
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| DATE | DESCRIPTION | CV2 | AMOUNT |
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|----------|--------------------------|------|--------|
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| 1/1/2014 | Domain name | 2233 | $10.98 |
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| 1/1/2014 | January Hosting | 2233 | $54.95 |
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| 1/4/2014 | February Hosting | 2233 | $51.00 |
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| 1/4/2014 | February Extra Bandwidth | 2233 | $30.00 |
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```
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#### Example 6 - Identical cells merging
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```go
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data := [][]string{
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[]string{"1/1/2014", "Domain name", "1234", "$10.98"},
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[]string{"1/1/2014", "January Hosting", "2345", "$54.95"},
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[]string{"1/4/2014", "February Hosting", "3456", "$51.00"},
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[]string{"1/4/2014", "February Extra Bandwidth", "4567", "$30.00"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
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table.SetFooter([]string{"", "", "Total", "$146.93"})
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table.SetAutoMergeCells(true)
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table.SetRowLine(true)
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table.AppendBulk(data)
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table.Render()
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```
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##### Output 6
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```
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+----------+--------------------------+-------+---------+
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| DATE | DESCRIPTION | CV2 | AMOUNT |
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+----------+--------------------------+-------+---------+
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| 1/1/2014 | Domain name | 1234 | $10.98 |
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+ +--------------------------+-------+---------+
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| | January Hosting | 2345 | $54.95 |
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+----------+--------------------------+-------+---------+
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| 1/4/2014 | February Hosting | 3456 | $51.00 |
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+ +--------------------------+-------+---------+
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| | February Extra Bandwidth | 4567 | $30.00 |
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+----------+--------------------------+-------+---------+
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| TOTAL | $146 93 |
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+----------+--------------------------+-------+---------+
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```
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#### Table with color
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```go
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data := [][]string{
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[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
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[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
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[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
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[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
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table.SetFooter([]string{"", "", "Total", "$146.93"}) // Add Footer
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table.SetBorder(false) // Set Border to false
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table.SetHeaderColor(tablewriter.Colors{tablewriter.Bold, tablewriter.BgGreenColor},
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tablewriter.Colors{tablewriter.FgHiRedColor, tablewriter.Bold, tablewriter.BgBlackColor},
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tablewriter.Colors{tablewriter.BgRedColor, tablewriter.FgWhiteColor},
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tablewriter.Colors{tablewriter.BgCyanColor, tablewriter.FgWhiteColor})
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table.SetColumnColor(tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiRedColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgBlackColor})
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table.SetFooterColor(tablewriter.Colors{}, tablewriter.Colors{},
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tablewriter.Colors{tablewriter.Bold},
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tablewriter.Colors{tablewriter.FgHiRedColor})
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table.AppendBulk(data)
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table.Render()
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```
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#### Table with color Output
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#### Example - 7 Table Cells with Color
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Individual Cell Colors from `func Rich` take precedence over Column Colors
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```go
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data := [][]string{
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[]string{"Test1Merge", "HelloCol2 - 1", "HelloCol3 - 1", "HelloCol4 - 1"},
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[]string{"Test1Merge", "HelloCol2 - 2", "HelloCol3 - 2", "HelloCol4 - 2"},
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[]string{"Test1Merge", "HelloCol2 - 3", "HelloCol3 - 3", "HelloCol4 - 3"},
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[]string{"Test2Merge", "HelloCol2 - 4", "HelloCol3 - 4", "HelloCol4 - 4"},
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[]string{"Test2Merge", "HelloCol2 - 5", "HelloCol3 - 5", "HelloCol4 - 5"},
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[]string{"Test2Merge", "HelloCol2 - 6", "HelloCol3 - 6", "HelloCol4 - 6"},
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[]string{"Test2Merge", "HelloCol2 - 7", "HelloCol3 - 7", "HelloCol4 - 7"},
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[]string{"Test3Merge", "HelloCol2 - 8", "HelloCol3 - 8", "HelloCol4 - 8"},
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[]string{"Test3Merge", "HelloCol2 - 9", "HelloCol3 - 9", "HelloCol4 - 9"},
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[]string{"Test3Merge", "HelloCol2 - 10", "HelloCol3 -10", "HelloCol4 - 10"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Col1", "Col2", "Col3", "Col4"})
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table.SetFooter([]string{"", "", "Footer3", "Footer4"})
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table.SetBorder(false)
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table.SetHeaderColor(tablewriter.Colors{tablewriter.Bold, tablewriter.BgGreenColor},
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tablewriter.Colors{tablewriter.FgHiRedColor, tablewriter.Bold, tablewriter.BgBlackColor},
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tablewriter.Colors{tablewriter.BgRedColor, tablewriter.FgWhiteColor},
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tablewriter.Colors{tablewriter.BgCyanColor, tablewriter.FgWhiteColor})
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table.SetColumnColor(tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiRedColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgHiBlackColor},
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tablewriter.Colors{tablewriter.Bold, tablewriter.FgBlackColor})
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table.SetFooterColor(tablewriter.Colors{}, tablewriter.Colors{},
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tablewriter.Colors{tablewriter.Bold},
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tablewriter.Colors{tablewriter.FgHiRedColor})
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colorData1 := []string{"TestCOLOR1Merge", "HelloCol2 - COLOR1", "HelloCol3 - COLOR1", "HelloCol4 - COLOR1"}
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colorData2 := []string{"TestCOLOR2Merge", "HelloCol2 - COLOR2", "HelloCol3 - COLOR2", "HelloCol4 - COLOR2"}
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for i, row := range data {
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if i == 4 {
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table.Rich(colorData1, []tablewriter.Colors{tablewriter.Colors{}, tablewriter.Colors{tablewriter.Normal, tablewriter.FgCyanColor}, tablewriter.Colors{tablewriter.Bold, tablewriter.FgWhiteColor}, tablewriter.Colors{}})
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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}})
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}
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table.Append(row)
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}
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table.SetAutoMergeCells(true)
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table.Render()
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```
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##### Table cells with color Output
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#### Example 8 - Set table caption
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```go
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data := [][]string{
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[]string{"A", "The Good", "500"},
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[]string{"B", "The Very very Bad Man", "288"},
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[]string{"C", "The Ugly", "120"},
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[]string{"D", "The Gopher", "800"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Name", "Sign", "Rating"})
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table.SetCaption(true, "Movie ratings.")
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for _, v := range data {
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table.Append(v)
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}
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table.Render() // Send output
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```
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Note: Caption text will wrap with total width of rendered table.
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##### Output 7
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```
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+------+-----------------------+--------+
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| NAME | SIGN | RATING |
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+------+-----------------------+--------+
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| A | The Good | 500 |
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| B | The Very very Bad Man | 288 |
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| C | The Ugly | 120 |
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| D | The Gopher | 800 |
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+------+-----------------------+--------+
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Movie ratings.
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```
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#### Example 8 - Set NoWhiteSpace and TablePadding option
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```go
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data := [][]string{
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{"node1.example.com", "Ready", "compute", "1.11"},
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{"node2.example.com", "Ready", "compute", "1.11"},
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{"node3.example.com", "Ready", "compute", "1.11"},
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{"node4.example.com", "NotReady", "compute", "1.11"},
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}
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table := tablewriter.NewWriter(os.Stdout)
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table.SetHeader([]string{"Name", "Status", "Role", "Version"})
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table.SetAutoWrapText(false)
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table.SetAutoFormatHeaders(true)
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table.SetHeaderAlignment(ALIGN_LEFT)
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table.SetAlignment(ALIGN_LEFT)
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table.SetCenterSeparator("")
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table.SetColumnSeparator("")
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table.SetRowSeparator("")
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table.SetHeaderLine(false)
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table.SetBorder(false)
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table.SetTablePadding("\t") // pad with tabs
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table.SetNoWhiteSpace(true)
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table.AppendBulk(data) // Add Bulk Data
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table.Render()
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```
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##### Output 8
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```
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NAME STATUS ROLE VERSION
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node1.example.com Ready compute 1.11
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node2.example.com Ready compute 1.11
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node3.example.com Ready compute 1.11
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node4.example.com NotReady compute 1.11
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```
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#### Render table into a string
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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:
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```go
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package main
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import (
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"strings"
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"fmt"
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"github.com/olekukonko/tablewriter"
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)
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func main() {
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tableString := &strings.Builder{}
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table := tablewriter.NewWriter(tableString)
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/*
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* Code to fill the table
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*/
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table.Render()
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fmt.Println(tableString.String())
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}
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```
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#### TODO
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- ~~Import Directly from CSV~~ - `done`
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- ~~Support for `SetFooter`~~ - `done`
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- ~~Support for `SetBorder`~~ - `done`
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- ~~Support table with uneven rows~~ - `done`
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- ~~Support custom alignment~~
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- General Improvement & Optimisation
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- `NewHTML` Parse table from HTML
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