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#!/bin/sh

set -e -u

tempprefix="$(basename "$0")"
tempdir="$(mktemp -d -t "${tempprefix}.XXXXXXXXXX")"
trap 'rm -rf "$tempdir"' EXIT

cd "$tempdir" || exit

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# This script is a simple wrapper which prefixes each i3status line with custom
# information. It is a python reimplementation of:
# http://code.stapelberg.de/git/i3status/tree/contrib/wrapper.pl
#
# To use it, ensure your ~/.i3status.conf contains this line:
#     output_format = "i3bar"
# in the 'general' section.

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#!/bin/sh

notify-send \
    --expire-time=700 \
    "$(pacmd list-sources | awk 'BEGIN { FPAT = "[^ \t]+|\"[^\"]+\"" } $1 == "*" { find=1 } $1 == "device.description" { if (find) { print substr($NF,2,length($NF)-2); exit; } }')" \
    "→ $(amixer set Capture toggle | grep -oP '(?<=\[)o[nf]+(?=\])' | sort -u)"

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#!/bin/sh

# PulseAudio configuration to stream video files and microphone audio to
# v4l2sink; locally hearing the video files but not the microphone.

# Video files -> OBS -> OBS Monitor -> "MediaInterim" \
#                                                     |-> Speakers
#                                                     `-> "FinalStream"
#                                           Microphone -> "FinalStream"

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# Compare which peers are present at different IXPs:
curl -s https://www.peeringdb.com/api/ix/123 | jq .data[0].ixlan_set[].id | xargs -I@ curl -s https://www.peeringdb.com/api/ixlan/@ | jq -j -r '.data[0].net_set[]|(.name,", AS ",.asn, "\n")' | sort > kleyrex.txt

# Let's you do things like "show me peers that are present at Locix, but not at Kleyrex"
comm -23 locix.txt kleyrex.txt

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#! /usr/bin/env python2

""" Convert values between RGB hex codes and xterm-256 color codes.

Nice long listing of all 256 colors and their codes. Useful for
developing console color themes, or even script output schemes.

Resources:
* http://en.wikipedia.org/wiki/8-bit_color
* http://en.wikipedia.org/wiki/ANSI_escape_code

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#!/bin/sh
wget https://www.iana.org/assignments/enterprise-numbers/enterprise-numbers
awk -F '[ ]' 'BEGIN {nr=-1} NF==1 && $1 == 0+$1 {if ($1 != (nr+1)) {for (i=nr+1; i<$1; i++) {print i}}; nr=$1}' enterprise-numbers

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#!/usr/bin/env bash

ip_to_hostname ()
{
    if [ -z "$1" ]
    then
        printf '%s\n' "unknown"
    else
        nc -w 1 "$1" 587 < /dev/null | head -n 1 | awk '{if ($0 == "") {print "none"} else if ($1 == "220" && $0 ~ "SMTP ") {print $2} else {print "unknown"}}'
    fi

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#!/usr/bin/env bash

## fix-umlauts.sh
# Converts umlauts (äöüß) in files to "Code page 437" encoding, so they will
# display correctly in PXELINUX boot menus.
# Expects one or more file paths as arguments, e.g.:
# $ ./fix-umlaut.sh "pxelinux.cfg/menus/main.menu" "pxelinux.cfg/menus/admin.submenu"
# The files are overwritten in place (using a temp file).

# -------

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 
# This is how I used it:
# $ cat ~/.bash_history | bash-history-to-zsh-history >> ~/.zsh_history

import sys


def main():