ltsview

README

go-ltsview

A LTSV viewer written in Go.

Installation

$ go get -u github.com/nabeken/go-ltsview/ltsview

Usage

$ ltsview --help
Usage of ltsview:
  -i="": Specify comma-separated keys to ignore
  -k="": Specify comma-separated keys to show
  -n=false: Set to true to disable colorized outputs

Demo

(This demo is brought to you by ttygif.)

Inspired by

• https://github.com/naoya/perl-Text-LTSV
• http://d.hatena.ne.jp/naoya/20130207/1360229220 (written in Japanese)

Author

TANABE Ken-ichi

LICENSE

See LICENSE.

Documentation

Index

• func ParseKeysByFlag(flag string) map[string]struct{}
• func PrintLine(w Writer, k, v string)
• func PrintSep(w SeparatorWriter)
• func SortKeys(record map[string]string) []string
• type ColorableWriter
  • func (w *ColorableWriter) Write(p []byte) (int, error)
  • func (w *ColorableWriter) WriteSeparator(sep string) (int, error)
• type LTSView
  • func (v *LTSView) Start()
• type SeparatorWriter
• type Writer
  • func NewWriter(w io.Writer) Writer

Functions

func ParseKeysByFlag

func ParseKeysByFlag(flag string) map[string]struct{}

func PrintLine

func PrintLine(w Writer, k, v string)

func PrintSep

func PrintSep(w SeparatorWriter)

func SortKeys

func SortKeys(record map[string]string) []string

Types

type ColorableWriter

type ColorableWriter struct {
	io.Writer
}

func (*ColorableWriter) Write

func (w *ColorableWriter) Write(p []byte) (int, error)

func (*ColorableWriter) WriteSeparator

func (w *ColorableWriter) WriteSeparator(sep string) (int, error)

type LTSView

type LTSView struct {
	Reader io.Reader
	Writer Writer

	Keys  map[string]struct{}
	Ikeys map[string]struct{}
}

func (*LTSView) Start

func (v *LTSView) Start()

type SeparatorWriter

type SeparatorWriter interface {
	WriteSeparator(sep string) (int, error)
}

type Writer

type Writer interface {
	io.Writer
	SeparatorWriter
}

func NewWriter

func NewWriter(w io.Writer) Writer