changewallpaper.sh make callable "changewallpaper"

changewallpaper.sh

#!/usr/bin/bash

# default monitor
MONITOR="eDP-1"

# changewallpaper first_argument
WALLPAPER="$1"


if [ ! -f "$WALLPAPER" ]; then
    echo "File not found: $WALLPAPER"
    exit 1
fi

# path to wallpaper configuration.
CONFIG_PATH="$HOME/.config/hypr/hyprpaper.conf"

# absolute path to wallpaper
ABS_WALLPAPER_PATH=$(realpath "$WALLPAPER")

# change wallpaper for current session.
hyprctl hyprpaper wallpaper $MONITOR,$ABS_WALLPAPER_PATH

# persist changing.
cat > "$CONFIG_PATH" <<EOF
wallpaper {
    monitor = $MONITOR
    path = $ABS_WALLPAPER_PATH
}
EOF

manual.md

chmod +x changewallpaper.sh

Перемести его в папку, которая есть в переменной $PATH, например /usr/local/bin:

sudo mv changewallpaper.sh /usr/local/bin/changewallpaper