misterunix

// Check to see if the program is already running. returns true if it is or false if it is not.
func amIrunning(myname string) bool {

	currentpid := os.Getpid()                 // Get the current process ID
	currentpidStr := strconv.Itoa(currentpid) // Convert the current process ID to a string

	cmd := exec.Command("ps", "aux") // Run the ps aux command to get a list of all running processes
	out, err := cmd.CombinedOutput() // Get the output of the command, both srtdout and stderr
	if err != nil {
		ErrorLogger.Println("Error running ps aux", err)

misterunix

package main
import(
   "fmt"
   "os"
)
func main() {
   if fileExists("sample.txt") {
      fmt.Println("sample file exists")
   } else {
      fmt.Println("sample file does not exist")

misterunix

/*******************************************************************************
*
* A minimal Forth compiler in C
* By Leif Bruder <[email protected]> http://defineanswer42.wordpress.com
* Release 2014-04-04
*
* Based on Richard W.M. Jones' excellent Jonesforth sources/tutorial
*
* PUBLIC DOMAIN
*

misterunix

// copied from https://gist.github.com/unakatsuo - thank you
// IterateIPRange calculates the sequence of IP address from beginAddr to endAddr
// then calls the callback cb for each address of the sequence.
// beginAddr value must be smaller than endAddr.
func IterateIPRange(beginAddr, endAddr net.IP, cb func(addr net.IP)) error {
	incIP := func(ip net.IP) net.IP {
		for j := len(ip) - 1; j >= 0; j-- {
			ip[j]++
			if ip[j] > 0 {
				break

misterunix

// Convert seconds to days, hours, minutes and seconds
func Seconds2Weeks(s float64) string {

	var result string
	si := int(s)

	weeks := si / (7 * 24 * 3600) // get weeks from seconds
	si = si % (7 * 24 * 3600)

	day := si / (24 * 3600) // get days from seconds

misterunix

package main

import (
    "golang.org/x/text/language"
    "golang.org/x/text/message"
)

func main() {
    p := message.NewPrinter(language.English)
    p.Printf("%d\n", 1000)

misterunix

load a gzip compressed file in to a slice, line by line.

package main

import (
	"bufio"
	"compress/gzip"
	"log"
	"os"

misterunix

Convert elapsed seconds into a nicely formatted string.

// Convert seconds into a readable time. This is not for real time, only for elapsed time. 
func TimeStr(sec int) (res string) {
	wks, sec := sec/604800, sec%604800
	ds, sec := sec/86400, sec%86400
	hrs, sec := sec/3600, sec%3600
	mins, sec := sec/60, sec%60
	res += fmt.Sprintf("%02dw:", wks)
	res += fmt.Sprintf("%02dd:", ds)