Merge pull request HarshCasper#614 from abdallah1097/desktop-time-tracker-bash

Adds Desktop_Time_Tracker using Bash Scripting

Author: HarshCasper

Bash/Desktop_Time_Tracker/README.md

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+# Desktop Time Tracker
+
+## Description
+`time_tracker.sh` script will track your applications activities e.g. Time Elapsed
+It uses [xdotool](https://www.freebsd.org/cgi/man.cgi?query=xdotool&apropos=0&sektion=1&manpath=FreeBSD+8.1-RELEASE+and+Ports&format=html)
+
+### Language
+- [X] Bash
+
+
+### Installation
+```bash
+$ sudo apt-get install xdotool
+```
+
+### Usage
+```bash
+$ bash time_tracker.sh
+```

Bash/Desktop_Time_Tracker/time_tracker.sh

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+#!/bin/bash
+
+draw_pie_chart() {
+declare -n apps_names_array=$1
+declare -n win_app_array=$2
+
+# This array obtain the time information only from the win array to use it to draw the pie chart
+time_elapsed_array=()
+for((i=2;i<${#win_app_array[@]};i+=3)); do
+	time_elapsed_array+=("${win_app_array[i]}")
+done
+
+# To be plotted
+echo -e "To be plotted ${apps_names_array[@]}\n ${time_elapsed_array[@]}\n"
+
+}
+
+# Update frequency in seconds
+update_frequency=1
+# Pie chart update frequency in seconds
+pie_chart_update_frequency=1
+# Array that stores all apps names
+app_array=()
+# Array that stores corresponding information to those apps in applist
+# This array holds (app_name, executed_path, time_elapsed)
+# Accessing in this array will be in multiple of 3, because each app holds 3 entities in the array
+# e.g. (app1_name, app1_path, app1_time, app2_name, app2_path, app2_time)
+win_array=()
+# Get the current working directoy to save the pie chart
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# Main Loop
+while true
+do
+	# Sleep for the update frequency
+	sleep $update_frequency
+	# Get the current opened window process id
+	frpid=$(xdotool getactivewindow getwindowpid)
+	# Get the current opened window name
+	frname=$(xdotool getactivewindow getwindowname)
+	# Obtain the app name using ps terminal command
+	app="$(ps -p $frpid -o comm=)"	# echo $app
+	# adding the app to the app list
+	if [[ " ${app_array[*]} " != *"$app"* ]]; then
+		echo "New App is opened, tracking it..."
+		app_array+=($app)
+	fi
+
+	checklist=()
+	for ((i=1;i< ${#win_array[@]} ;i+=3)); 	do
+		checklist+=("${win_array[i]}")
+	done
+
+	if [[ "${checklist[@]}" == *"$frname"* ]]; then
+		# The app has already a history of time elapsed, we have to increment the time only
+
+		# Getting the app index
+		for ((k=0; k<${#checklist[@]}; k++)); do
+			if [[ "${checklist[$k]}" == *"$frname"* ]]; then
+				# Incrementing, the 3*k+2 term: 3*k because each app holds 3 entries
+				#				+2  because we're accessing the time element regarding this app
+				win_array[$(("3*$k+2"))]="$(("${win_array[$((3*k+2))]}" + "$update_frequency"))"
+			fi
+		done
+	else
+		temp_arr=("$app" "$frname" "$update_frequency")
+		win_array+=("${temp_arr[@]}")
+	fi
+	draw_pie_chart  app_array win_array
+done