helpers

Documentation

Overview

Package helpers contains some helper functions which the HULK CL program needs

Index

• func CheckDir(dir string) error
• func CheckExt(file string, exts []string) error
• func CheckFile(file string) error
• func CheckRequiredFlags(flags *pflag.FlagSet) error
• func CheckSTDIN() error
• func CollectJSONs(inputDir string, recursive bool) ([]string, error)
• func ErrorCheck(msg error)
• func FanOutUnbuffered(inputChannel chan uint64, numOutputChannels int) []chan uint64
• func FloatSlice2string(floatSlice []float64, sep string) string
• func MD5sum(data []uint64) [16]byte
• func Pow(a, b uint) uint
• func StartLogging(logFile string) *os.File

Functions

func CheckDir

func CheckDir(dir string) error

CheckDir is a function to check that a directory exists

func CheckExt

func CheckExt(file string, exts []string) error

CheckExt is a function to check the extensions of a file

func CheckFile

func CheckFile(file string) error

CheckFile is a function to check that a file can be read

func CheckRequiredFlags

func CheckRequiredFlags(flags *pflag.FlagSet) error

a function to check for required flags

func CheckSTDIN

func CheckSTDIN() error

CheckSTDIN is a function to check that STDIN can be read

func CollectJSONs

func CollectJSONs(inputDir string, recursive bool) ([]string, error)

CollectJSONs is a function to find all JSON files in a directory and return a list of file names

func ErrorCheck

func ErrorCheck(msg error)

a function to throw error to the log and exit the program

func FanOutUnbuffered

func FanOutUnbuffered(inputChannel chan uint64, numOutputChannels int) []chan uint64

FanOutUnbuffered is a helper function to set up a fanout concurrency pattern

func FloatSlice2string

func FloatSlice2string(floatSlice []float64, sep string) string

FloatSlice2string converts []float64 to a string, with a custom delimiter to separate slice values

func MD5sum

func MD5sum(data []uint64) [16]byte

MD5sum will return the MD5sum of a []uint64

func Pow

func Pow(a, b uint) uint

Pow is a function to raise a to the power of b

func StartLogging

func StartLogging(logFile string) *os.File

StartLogging is a function to start the log...