rawiriblundell

is() {
  [ "${1}" = "not" ] && shift 1; ! is "${@}"; return "${?}"
  _condition="${1}"; _var_a="${2}"; _var_b="${3}"
  case "${_condition}" in
    (-[bcdefghLnprsStuwxz])
      test "${_condition}" "${_var_a}";       return "${?}"
    ;;
    (command)       command -v "${_var_a}";   return "${?}" ;;
    (file)          [ -f "${_var_a}" ];       return "${?}" ;;
    (dir|directory) [ -d "${_var_a}" ];       return "${?}" ;;

rawiriblundell

# Get the top level PID and setup a trap so that we can call die() within subshells
trap "exit 1" TERM
_self_pid="${$}"
export _self_pid

# Function to print an error message and exit
die() {
  if [ -t 0 ]; then
    printf '\e[31;1m====>%s\e[0m\n' "${0}:(${LINENO}): ${*}" >&2
  else

rawiriblundell

daikin() {
  local remote_unit temp_info unit_info unit_mode inside_temperature
  local outside_temperature target_temperature
  remote_unit=$(host -4 Client.burnination.net | awk '{print $4}')

  case "${remote_unit}" in
    (found:)
      printf -- '%s\n' "Daikin Aircon Information" \
        "=========================" \
        "Remote unit not found" >&2

rawiriblundell

# Because $SHELL is an unreliable thing to test against, we provide this function
# This won't work for 'fish', which needs 'ps -p %self' or similar
# non-bourne-esque syntax.
# TO-DO: Investigate application of 'export PS_PERSONALITY="posix"'
get_shell() {
  if [ -r "/proc/$$/cmdline" ]; then
    # We use 'tr' because 'cmdline' files have NUL terminated lines
    # TO-DO: Possibly handle multi-word output e.g. 'busybox ash'
    printf -- '%s\n' "$(tr '\0' ' ' </proc/"$$"/cmdline)"
  elif ps -p "$$" >/dev/null 2>&1; then

rawiriblundell

get_rc() {
  "${@}" >/dev/null 2>&1 && return "${?}"
}

rawiriblundell

# This function prints the terminfo details for 'xterm-256color'
# This is for importing this into systems that don't have this
print-xterm-256color() {
cat <<'NEWTERM'
xterm-256color|xterm with 256 colors,
        am, bce, ccc, km, mc5i, mir, msgr, npc, xenl,
        colors#256, cols#80, it#8, lines#24, pairs#32767,
        acsc=``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
        bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
        clear=\E[H\E[2J, cnorm=\E[?12l\E[?25h, cr=^M,

rawiriblundell

# shellcheck shell=bash
# The MIT License (MIT)

# Copyright (c) 2019 -, Rawiri Blundell

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is

rawiriblundell

#!/bin/bash

# Functionalise 'command -v' to allow 'if get_command [command]' idiom
get_command() { command -v "${1}" &>/dev/null; }

# TO-DO: Update environment to ensure a sane $ARCH variable
# This will allow us to make this portable to various arm implementations
setup_glow() {
  # If it's already present, there's nothing to do here
  if get_command glow; then

rawiriblundell

# A portability function for older systems that don't have the mapfile builtin
if ! command -v mapfile >/dev/null 2>&1; then
  mapfile() {
    local _arrName i IFS
    unset MAPFILE

    set -f        # Turn off globbing
    set +H        # Prevent parsing of '!' via history substitution

    # We use the behaviour of '-t' by default, so if it's given, skip it

rawiriblundell

#!/bin/bash

# A quick script to automate upgrading the shellcheck binary

# Terse assign our default proxy settings if required
#: "${http_proxy:=http://proxy.company.org:3128}"
#: "${https_proxy:=$http_proxy}"

trap "rm -rf /tmp/shellcheck-latest*" EXIT