This is a collection of dotfiles and scripts for my bspwm setup
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#!/bin/sh
depend() {
pactree -u -d 1 "$1" | tail -n +2 | sort
}
emacs() {
# Create new frame (if there isnt one or no file is specified)
if [ -z "$(pgrep -f emacsclient.*-c)" ] || [ "$1" = "" ]; then
setsid -f emacsclient -a '' -c "$@" > /dev/null 2>&1
else
setsid -f emacsclient -a '' "$@" > /dev/null 2>&1
fi
}
# $1 = find, $2 = list, $3 = list separator
in_list() {
[ -z "$1" ] || [ -z "$2" ] && return 1
if ! echo "$2" | awk -v m="^$1$" -v RS="${3:-' '}" '$0 ~ m { exit 1 }'; then
return 0
else
return 1
fi
}
java_doc() {
mkdir -p './doc';
javadoc -d './doc' -- *.java
}
java_run () {
mkdir -p './out';
javac -d './out' "$1.java";
java -cp './out' "$1"
}
# Search for packages, by name only
pacman_search() {
pacman -Ss "$1" --color=always | \
awk -v m="$1" '{ if ($0 !~ /^\s/) { if ($1 ~ m) { print; }} else { print; }}'
}
pastebin() {
echo "$1" | curl -F 'f:1=<-' ix.io
}
print_project() {
tree -f --noreport | egrep -ve "vendor(\/.*){2}" -ve "build(\/.*)" | sed -E 's%\./.*/%%g; s%\./%%g;'
}
raspbian() {
sudo systemctl start avahi-daemon.service
if ! ip a show usb0 | grep -q 'inet6'; then
sudo dhcpcd usb0
fi
ssh -6 pi@"$(avahi-resolve-host-name raspberrypi.local | awk '{ print $2 }')"%usb0
sudo systemctl stop avahi-daemon.service
}
screencast() {
IS_RUNNING="$(pgrep ffmpeg)"
if [ "$IS_RUNNING" != "" ]; then
notify-send "Stopped recording.."
# Kill with SIGTERM, allowing finishing touches
pkill -15 ffmpeg
sleep 3
# Kill with SIGKILL, just in case it is still running
pkill -9 ffmpeg
else
width=1280
height=720
NAME=${1:-"$CAPTURE/$(date '+%Y-%m-%d-%H%M%S')_${width}x${height}_ffmpeg"}
[ -n "$2" ] && AUDIO_CODEC="-c:a aac"
[ -n "$2" ] && AUDIO_SOURCE="-f pulse -ac 2 -i $2" # 1 = system, 2 = mic
notify-send "Started recording.."
ffmpeg -y \
-threads 8 \
-f x11grab \
-framerate 30 \
-s "${width}x${height}" \
-i "$DISPLAY.0+640,180" \
$AUDIO_SOURCE \
-r 30 \
$AUDIO_CODEC \
-c:v libx264 -crf 0 -preset ultrafast \
"$NAME.mkv" &
fi
}
sha384sum() {
tmpfile=$(mktemp)
curl -o "$tmpfile" "$1" && openssl dgst -sha384 -binary "$tmpfile" | openssl base64 -A
rm -f "$tmpfile"
}
shuffle() {
echo "$1" | fold -w 1 | shuf | tr -d '\n'
}
stream() {
channel="$1"
quality=${2:-"best"}
lowLatency="$3"
if [ "$quality" = "list" ]; then
streamlink "https://twitch.tv/$1" --config "/dev/null"
elif [ "$quality" != "low" ] && [ -z "$lowLatency" ]; then
echo "Starting stream https://twitch.tv/$channel at quality: $quality"
setsid -f streamlink \
--player mpv \
--stream-sorting-excludes "<480p,>=1080p" \
"https://twitch.tv/$channel" "$quality" > /dev/null 2>&1 &
else
[ "$quality" = "low" ] && quality="best"
echo "Starting stream https://twitch.tv/$channel at quality: $quality"
setsid -f streamlink \
--twitch-low-latency \
--twitch-disable-ads \
--twitch-disable-hosting \
--twitch-disable-reruns \
--player mpv \
--player-args '--cache=yes --demuxer-max-bytes=750k' \
--stream-sorting-excludes "<480p,>=1080p" \
"https://twitch.tv/$channel" "$quality" > /dev/null 2>&1 &
fi
}
update_mirrorlist() {
sudo rm /etc/pacman.d/mirrorlist.pacnew
sudo reflector --latest 100 --protocol https --sort rate --save /etc/pacman.d/mirrorlist
}
webmconvert() {
[ "$2" = "1" ] && AUDIO="-c:a libvorbis" || AUDIO="-an"
# https://trac.ffmpeg.org/wiki/Encode/H.264
# https://trac.ffmpeg.org/wiki/Encode/VP8
# -qmin 0 (0-63, default 4, lower = better quality)
# -qmax 40 (qmin-63, default 63)
# -crf 16 (0-51, default 23, 0 = lossless)
# -b:v 4M
ffmpeg -threads 4 -i "$1" -c:v libvpx -qmin 0 -qmax 40 -crf 16 -b:v 4M "$AUDIO" "${1%.*}_convert.webm"
}
"$@"