Linux Automation & Timers Bash Script Examples

Vid

Code:

#!/bin/bash
#
# ./external_font.sh
#
#
wget http://www.figlet.org/fonts/univers.flf
figlet -f univers.flf "lol"

shellhacks.com/create-ascii-text-banner-linux-command-line

Null User Input Fall Back

Code:

#!/bin/sh
# example: ./Run_countdown_Test.sh
#
if [ -z "$1" ] && [ -z "$2" ];then
  echo "Enter Minutes To Count Down To:"
  read var
  sh Run_countdown.sh $var
fi

if [ $# -ne 1 ]; then
echo "usage: $0 MIN (example: $0 1)";

exit 1;
fi
TIME=$(($1*60))
CUR=$TIME
while [ $CUR -gt 0 ]
do
 CUR=$(($CUR - 1))
 clear
 echo $CUR | figlet
 sleep 1
done
clear
echo "!!!FINISHED!!!"
sh Programs.sh


Figlet Time & Date

Code:

#!/bin/bash
# ./date.sh
#
# sudo chmod +x *.sh
#
#
date | figlet

Linux Bash Clock Figlet Script

Code:

#!/bin/bash
# ./date.sh
#
# sudo chmod +x *.sh
#
# date --help
#
#
#now=$(date +"%m-%d-%Y") # USA Style
#
now=$(date +"%d-%m-%Y %T") # UK Style
clear
#date | figlet
echo $now | figlet
sleep 1
sh date.sh

Espeak & Figlet Alarm Clock Program Launcher
Linux Bash Automation

Code:

sudo apt install -y beep mpg123 espeak

Code:

sudo chmod +x *.sh

Alarm.sh

Code:

Code:

#!/bin/bash

# A simple alarm clock script

echo "What time should the alarm go off? (HH:MM)"
read target

# sleep interval is 15 minutes
snooze=`dc -e "15 60 *p"`

# convert wakeup time to seconds
target_h=`echo $target | awk -F: '{print $1}'`
target_m=`echo $target | awk -F: '{print $2}'`
target_s_t=`dc -e "$target_h 60 60 ** $target_m 60 *+p"`

# get current time and convert to seconds
clock=`date | awk '{print $4}'`
clock_h=`echo $clock | awk -F: '{print $1}'`
clock_m=`echo $clock | awk -F: '{print $2}'`
clock_s=`echo $clock | awk -F: '{print $3}'`
clock_s_t=`dc -e "$clock_h 60 60 ** $clock_m 60 * $clock_s ++p"`

# calculate difference in times, add number of sec. in day and mod by same
sec_until=`dc -e "24 60 60 **d $target_s_t $clock_s_t -+r%p"`

echo "The alarm will go off at $target." | figlet

sleep $sec_until

# snooze loop
while :
do
  #echo -e "\nWake up!"
  ./buzzer.sh & exit
  exit
  bpid=$!
  disown $bpid                          # eliminates termination message
  read -n1 input
  for bsub in $(ps -o pid,ppid -ax | \
                awk "{ if (\$2 == $bpid) { print \$1 }}")
  do
    kill $bsub                          # kill children
  done
  kill $bpid
  if [ "$input" == "Q" ]
  then
    #echo -e "\nGood morning!"
    exit
  else
    echo -e "\nSnoozing for $snooze seconds..."
    sleep $snooze
  fi
done

programs.sh

Code:

#!/bin/bash
ls

Buzzer.sh

Code:

#!/bin/bash
#
# ./alarm.sh
#
# sudo apt install -y afplay

# Buzzer script for alarm.sh
# The afplay utility is specific to Mac OS X 10.5 and later.

#while :
#do
  # Mac OS
  #afplay /System/Library/Sounds/Hero.aiff
  # Linux OS
  # sudo apt install -y beep mpg123
#  sh programs.sh

# out of loop 


  # 10 Second Wake Up Call
#  c=10; while [ $c -ge 0 ]; do espeak $c; let c--; done; sleep 1
clear
msg="Target Time Reached!"
echo "$msg" | figlet
espeak "$msg"
echo "Running Programs..." | figlet
sh programs.sh
exit
#  sleep 1
#done

Other Help:

got clone github.com/mkscrg/alarm-clock.git

github.com/mkscrg/alarm-clock

askubuntu.com/questions/277215/make-a-sound-once-process-is-complete