vendor dependencies with dep

This commit is contained in:
dhax 2017-09-25 20:20:52 +02:00
parent 93d8310491
commit 1384296a47
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ASCII Table Writer Tool
=========
Generate ASCII table on the fly via command line ... Installation is simple as
#### Get Tool
go get github.com/olekukonko/tablewriter/csv2table
#### Install Tool
go install github.com/olekukonko/tablewriter/csv2table
#### Usage
csv2table -f test.csv
#### Support for Piping
cat test.csv | csv2table -p=true
#### Output
```
+------------+-----------+---------+
| FIRST NAME | LAST NAME | SSN |
+------------+-----------+---------+
| John | Barry | 123456 |
| Kathy | Smith | 687987 |
| Bob | McCornick | 3979870 |
+------------+-----------+---------+
```
#### Another Piping with Header set to `false`
echo dance,with,me | csv2table -p=true -h=false
#### Output
+-------+------+-----+
| dance | with | me |
+-------+------+-----+

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package main
import (
"encoding/csv"
"flag"
"fmt"
"io"
"os"
"unicode/utf8"
"github.com/olekukonko/tablewriter"
)
var (
fileName = flag.String("f", "", "Set file with eg. sample.csv")
delimiter = flag.String("d", ",", "Set CSV File delimiter eg. ,|;|\t ")
header = flag.Bool("h", true, "Set header options eg. true|false ")
align = flag.String("a", "none", "Set aligmement with eg. none|left|right|center")
pipe = flag.Bool("p", false, "Suport for Piping from STDIN")
border = flag.Bool("b", true, "Enable / disable table border")
)
func main() {
flag.Parse()
fmt.Println()
if *pipe || hasArg("-p") {
process(os.Stdin)
} else {
if *fileName == "" {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
flag.PrintDefaults()
fmt.Println()
os.Exit(1)
}
processFile()
}
fmt.Println()
}
func hasArg(name string) bool {
for _, v := range os.Args {
if name == v {
return true
}
}
return false
}
func processFile() {
r, err := os.Open(*fileName)
if err != nil {
exit(err)
}
defer r.Close()
process(r)
}
func process(r io.Reader) {
csvReader := csv.NewReader(r)
rune, size := utf8.DecodeRuneInString(*delimiter)
if size == 0 {
rune = ','
}
csvReader.Comma = rune
table, err := tablewriter.NewCSVReader(os.Stdout, csvReader, *header)
if err != nil {
exit(err)
}
switch *align {
case "left":
table.SetAlignment(tablewriter.ALIGN_LEFT)
case "right":
table.SetAlignment(tablewriter.ALIGN_RIGHT)
case "center":
table.SetAlignment(tablewriter.ALIGN_CENTER)
}
table.SetBorder(*border)
table.Render()
}
func exit(err error) {
fmt.Fprintf(os.Stderr, "#Error : %s", err)
os.Exit(1)
}