lwc

Documentation

Index

• Constants
• func PollCounts(name string, counts *[]uint64, interval time.Duration, done chan bool)
• func PrintCounts(counts *[]uint64, name string, cr bool, lf bool)
• func ProcessFiles(config *Config)
• func Run(version string, date string)
• func ScanCount(scanner *bufio.Scanner, count *uint64, total *uint64)
• func ScanMaxLength(scanner *bufio.Scanner, count *uint64, total *uint64)
• type Config
  • func NewConfig(args []string) *Config
  • func (c *Config) FilesChan() *chan string
  • func (c *Config) PrintUsage()
  • func (c *Config) Processors() []Processor
• type Processor
• type ScanFunc

Constants

const (
	// CarriageReturn means \r
	CarriageReturn byte = 13
	// LineFeed means \n
	LineFeed byte = 10
	// Space really means space
	Space byte = 32
)

Functions

func PollCounts

func PollCounts(name string, counts *[]uint64, interval time.Duration, done chan bool)

PollCounts periodically writes counts to stdout

func PrintCounts

func PrintCounts(counts *[]uint64, name string, cr bool, lf bool)

PrintCounts writes formatted counts to stdout

func ProcessFiles

func ProcessFiles(config *Config)

ProcessFiles processes files as required by the configuration

func Run

func Run(version string, date string)

Run runs lwc

func ScanCount

func ScanCount(scanner *bufio.Scanner, count *uint64, total *uint64)

ScanCount applies a scanner and adds one for every occurrence

func ScanMaxLength

func ScanMaxLength(scanner *bufio.Scanner, count *uint64, total *uint64)

ScanMaxLength applies a scanner and remembers max string length

Types

type Config

type Config struct {
	Lines         bool
	Words         bool
	Chars         bool
	Bytes         bool
	MaxLineLength bool
	Files0From    string
	Interval      time.Duration
	Help          bool
	Version       bool
	Files         []string
	// contains filtered or unexported fields
}

Config represents a configuration

func NewConfig

func NewConfig(args []string) *Config

NewConfig creates a new Config

func (*Config) FilesChan

func (c *Config) FilesChan() *chan string

FilesChan creates the channel sending the filenames in the configuration

func (*Config) PrintUsage

func (c *Config) PrintUsage()

PrintUsage prints usage

func (*Config) Processors

func (c *Config) Processors() []Processor

Processors creates the processors enabled by the configuration

type Processor

type Processor struct {
	Split bufio.SplitFunc
	Scan  ScanFunc
}

Processor represents a scanner and splitter for input

type ScanFunc

type ScanFunc func(*bufio.Scanner, *uint64, *uint64)

ScanFunc represents a function that applies a scanner and updates counts