[notify in linux from sudo or anything ] #linux #shell

mynotify.sh

#!/bin/bash

POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"

case $key in
    -t|--time)
    TIME="$2"
    shift # past argument
    shift # past value
    ;;
    -i|--icon)
    ICON="$2"
    shift # past argument
    shift # past value
    ;;
    *)    # unknown option
    POSITIONAL+=("$1") # save it in an array for later
    shift # past argument
    ;;
esac
done

set -- "${POSITIONAL[@]}" # restore positional parameters

#Detect the name of the display in use
display=":$(ls /tmp/.X11-unix/* | sed 's#/tmp/.X11-unix/X##' | head -n 1)"

#Detect the user using such display
user=$(who | grep '('$display')' | awk '{print $1}' | head -n 1)

#Detect the id of the user
uid=$(id -u $user)



if [ -z "$TIME" ]
then
    if [ -z "$ICON" ]
    then
        sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send "$1" "$2"
    else
        sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send "$1" "$2" -t "$TIME"
    fi
else
    if [ -z "$ICON" ]
    then
        sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send "$1" "$2"  -i "$ICON"
    else
        sudo -u $user DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send "$1" "$2" -t "$TIME" -i "$ICON"
    fi
fi