fix: .local/bin -> bin to avoid user pkg managers

bin/dkprune

@@ -0,0 +1,116 @@
+#!/bin/bash
+
+function usage() {
+    cat << EOF
+Usage: $0 [-hcCviIna]
+Prune Docker resources.
+If no option provided, defaults to -Cvn
+Options:
+    -h  Show this help and exits
+    -c  Remove stopped containers
+    -C  Remove all containers
+    -v  Remove unused volumes
+    -i  Remove build images
+    -I  Remove unused images
+    -n  Remove unused networks
+    -a  All of the above, equivalent of -CvIn
+EOF
+    exit 0
+}
+
+function add_opt() {
+    local RESULT
+
+    RESULT="$1"
+    for o in "$@"; do
+        if [ "$((RESULT & o))" == 0 ]; then
+            RESULT="$((RESULT + o))"
+        fi
+    done
+    echo "$RESULT"
+}
+
+if ! [ -w '/var/run/docker.sock' ] && [ "$EUID" != 0 ]; then
+    exec sudo -- "$0" "$@"
+fi
+
+c=1
+# C=2
+v=4
+i=8
+# I=16
+n=32
+# a="$((c + C + v + I + n))"
+
+CLEAN=0
+while getopts hcCviIna o; do
+    case "$o" in
+        h)
+            usage
+            ;;
+        c)
+            CLEAN="$(add_opt "$CLEAN" "$c")"
+            ;;
+        C)
+            CLEAN="$(add_opt "$CLEAN" "$c")"
+            CON_OPT="-f"
+            ;;
+        v)
+            CLEAN="$(add_opt "$CLEAN" "$v")"
+            ;;
+        i)
+            CLEAN="$(add_opt "$CLEAN" "$i")"
+            ;;
+        I)
+            CLEAN="$(add_opt "$CLEAN" "$i")"
+            IMG_OPT='-a'
+            ;;
+        n)
+            CLEAN="$(add_opt "$CLEAN" "$n")"
+            ;;
+        a)
+            CLEAN="$(add_opt "$CLEAN" "$c" "$v" "$i" "$n")"
+            CON_OPT="-f"
+            IMG_OPT='-a'
+            ;;
+        *)
+            exit 1
+            ;;
+    esac
+done
+
+if [ "$CLEAN" == 0 ]; then
+    CLEAN="$((c + v + n))"
+    CON_OPT="-f"
+fi
+
+VALUES=(
+    "$((c + i + v + n))"
+    "$((c + i + n))"
+    "$v"
+    "$i"
+    "$n"
+)
+
+CON='container'
+PRUNE='prune -f'
+COMMANDS=(
+    "docker system  $PRUNE $IMG_OPT --volumes"
+    "docker system  $PRUNE $IMG_OPT"
+    "docker volume  $PRUNE"
+    "docker image   $PRUNE $IMG_OPT"
+    "docker network $PRUNE"
+)
+
+if [ "$((CLEAN & "$c"))" == "$c" ]; then
+    docker "$CON" ls -aq | xargs docker "$CON" rm "$CON_OPT" 2> /dev/null
+fi
+
+for idx in "${!VALUES[@]}"; do
+    mask="${VALUES[$idx]}"
+
+    if [ "$((CLEAN & mask))" == "$mask" ]; then
+        bash -c "${COMMANDS[$idx]}"
+        CLEAN="$((CLEAN - mask))"
+    fi
+done

bin/mouse_360

@@ -0,0 +1,9 @@
+#!/bin/bash
+set -e
+
+# counts target = 8182 ~ 25cm
+
+sleep 3
+for _ in {0..1023}; do
+    xdotool mousemove_relative 8 0
+done

bin/scanpdf

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+usage() {
+    echo "USAGE: $0 FILE.pdf"
+    exit 0
+}
+
+if [ "$1" == '-h' ] || [[ "$1" != *.pdf ]]; then
+    usage
+fi
+
+DEVICE='pixma:04A9178A_31A16C'
+FORMAT='png'
+RES=300
+
+scanimage -d "$DEVICE" --format="$FORMAT" --resolution "$RES" | convert - "$1"

bin/set-ddc-light

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+CUR_LIGHT="$(set-light "$@")"
+
+SCREENS="$(sudo ddcutil detect | awk '$1 == "Display" {print $2}')"
+
+for i in $SCREENS; do
+    sudo ddcutil -d "$i" setvcp 10 "$CUR_LIGHT"
+done

bin/set-light

@@ -0,0 +1,43 @@
+#!/bin/bash
+set -e
+shopt -s extglob nullglob
+
+set_brightness() {
+    MAX="$(cat "$1"/max_brightness)"
+    FILE="$1"/brightness
+    VAL="$(($2 * MAX / 100 + 1))"
+
+    [ "$VAL" -lt 0 ] && VAL=0
+    [ "$VAL" -gt "$MAX" ] && VAL="$MAX"
+    echo "$VAL" > "$FILE"
+}
+
+CUR_FILE=/var/tmp/current_brightness
+
+set +e
+CUR="$(cat "$CUR_FILE" || echo 50)"
+set -e
+
+CUR="$((CUR - CUR % "$1"))"
+
+case "${1:0:1}" in
+    '')
+        exit 1
+        ;;
+    '+'|'-')
+        NEW="$((CUR + "$1"))"
+        ;;
+    *)
+        NEW="$1"
+        ;;
+esac
+
+[ "$NEW" -lt 0 ] && NEW=0
+[ "$NEW" -gt 100 ] && NEW=100
+
+for dev in /sys/class/backlight/*; do
+    set_brightness "$dev" "$NEW"
+done
+
+echo "$NEW" > "$CUR_FILE"
+echo "$NEW"

bin/set-vol

@@ -0,0 +1,47 @@
+#!/bin/bash
+set -e
+
+# TODO: multiple fast invocation cause volume not to be updated
+
+PACTL_SINK='@DEFAULT_SINK@'
+SINK="$PACTL_SINK"
+
+function get_vol() {
+    VOL="$(pactl get-sink-volume "$SINK" 2> /dev/null)"
+
+    if [ -n "$VOL" ]; then
+        CMD='pactl set-sink-volume'
+    else
+        CMD='amixer sset'
+        SINK='Master'
+
+        VOL="$(amixer sget "$SINK")"
+    fi
+}
+
+set +e
+get_vol
+set -e
+
+VOL="$(echo "$VOL" | grep -Po '\d+(?=%)' | head -n 1)"
+VOL="$((VOL - VOL % "$1"))"
+
+case "${1:0:1}" in
+    '')
+        exit 1
+        ;;
+    '+'|'-')
+        VOL="$((VOL + "$1"))"
+        ;;
+    *)
+        VOL="$1"
+        ;;
+esac
+
+[ "$VOL" -lt 0 ] && VOL=0
+[ "$VOL" -gt 100 ] && VOL=100
+
+$CMD "$SINK" "$VOL%" > /dev/null
+pactl set-sink-mute "$PACTL_SINK" 0
+
+echo "$VOL"

bin/ttydestroyer

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+usage() {
+    echo "Usage: $0 /dev/pts/{tty_nb}"
+    exit 0
+}
+
+if [ -z "$1" ]; then
+    set "$(tty)"
+elif ! [ -w "$1" ]; then
+    usage
+fi
+
+(set -e
+
+asciiquarium &
+cmatrix -ab &
+while true; do sl; done &
+) | lolcat > "$1"