rawiriblundell

dnslist() {
  case $(uname) in
    (Darwin)
      printf -- '%s\n' "Attempting lookup test using 'scutil' command..." >&2
      scutil --dns |
        awk '/nameserver/{ a[$3]++} END { for (b in a) {print b } }'
      return 0
    ;;
    ([Ll]inux)
      # TODO: Update to test against IP addresses rather than 'Global'

rawiriblundell

# Usage: get_sourceforge [project] [linux|mac|windows]
get_sourceforge() {
  # We require 'curl' and 'jq'
  fail_count=0
  for binary in curl jq; do
    if ! command -v "${binary}" >/dev/null 2>&1; then
      printf -- '%s\n' "${binary} is required but was not found in PATH" >&2
      (( fail_count++ ))
    fi
  done

rawiriblundell

# This is based on one of the best urandom+bash random integer scripts IMHO
# FYI: randInt is significantly faster
# https://unix.stackexchange.com/a/413890
urandInt() {
  local intCount rangeMin rangeMax range bytes t maxvalue mult hexrandom
  intCount="${1:-1}"
  rangeMin="${2:-1}"
  rangeMax="${3:-32767}"
  range=$(( rangeMax - rangeMin + 1 ))

rawiriblundell

# A shell conversion of
# https://gist.github.com/caseydunham/508e2994e1195e4cb8e4
convert_ldaptime_to_unixepoch() {
  local ldap_offset ldap_timestamp
  ldap_timestamp="${1:?No ldap timestamp supplied}"
  ldap_timestamp=$(( ldap_timestamp / 10000000 ))
  # Calculated as '( (1970-1601) * 365 -3 + ((1970-1601)/4) ) * 86400'
  ldap_offset=11644473600
  printf -- '%s\n' "$(( ldap_timestamp - ldap_offset ))"
}

rawiriblundell

# Sort history by most used commands, can optionally print n lines (e.g. histrank [n])
histrank() { 
  HISTTIMEFORMAT="%y/%m/%d %T " history \
    | awk '{out=$4; for(i=5;i<=NF;i++){out=out" "$i}; print out}' \
    | sort \
    | uniq -c \
    | sort -nk1 \
    | tail -n "${1:-$(tput lines)}"
}

rawiriblundell

# Throttle stdout
throttle() {
  # Check that stdin isn't empty
  if [[ -t 0 ]]; then
    printf -- '%s\n' "Usage:  pipe | to | throttle [n]" ""
    printf -- '\t%s\n'  "Increment line by line through the output of other commands" "" \
      "Delay between each increment can be defined.  Default is 1 second."
    return 0
  fi

rawiriblundell

#!/bin/bash

delete-branch() {
  local unwanted_branches current_branch mode
  current_branch="$(git symbolic-ref -q HEAD)"
  current_branch="${current_branch##refs/heads/}"
  current_branch="${current_branch:-HEAD}"

  case "${1}" in
    (--local)  shift 1; mode=local ;;

rawiriblundell

abable
abacreling
abactufficken
abaling
abange
abansery
abild
abilecially
abinallimocreserve
abincength

rawiriblundell

#!/bin/bash
# check_linux_lastpatched - Check when a Linux host was last patched and warn 
#                           if a specified time period is exceeded
# Purpose:      checkmk local check to ensure we keep Linux hosts patched
# Author:       Rawiri Blundell
# Copyright:    See provided LICENCE file
# Date:         20211102 partial rewrite, originally written 20170828

# Usage:        ./check_linux_lastpatched [warn threshold (days)] [crit threshold (days)]
#               n.b. warn threshold defaults to 9 months, crit threshold to 12.

rawiriblundell

# TODO: Make this more robust, build in validation etc
# This might wind up being a script in its own right rather than a function
carve() {
  read -r count1 delim1 _ count2 delim2 <<< "${@}"
  case "${count1}" in
    ([0-9]*) count1="${count1//[!0-9]/}" ;;
    (first)  count1="1" ;;
    (last)   count1="last" ;;
    (''|*)
      printf -- '%s\n' \