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Full Discussion: Add command line argument
Top Forums Shell Programming and Scripting Add command line argument Post 303022237 by drew77 on Tuesday 28th of August 2018 11:13:54 AM
Old 08-28-2018
Add command line argument
I would like to add the ability to change the message that is displayed when timer is finished. At present it just asks for the time I want for the alarm.

I think what I need is another command line argument.

Code:
soundfile="/usr/share/sounds/My_Sounds/Alarm-sound-buzzer.mp3"
originalVolume=$(amixer -D pulse get Master | grep -m 1 -o -E [[:digit:]]+%)
clear
amixer -D pulse sset Master 40% > /dev/null 2>&1
[ ! $1 ] && {
echo 
echo -e "   Error!! No time value given for sleep !!"
echo
echo -e "   Alarm Program 2018"
echo
echo -e "   alarm.sh [time value in seconds]"; 
echo -e "   alarm 5m   = 5 minute alarm"
echo -e "   alarm 5h   = 5 hour alarm"
echo -e "   alarm 5d   = 5 day alarm"
echo -e "   alarm 1.5m = 1 minute 30 seconds alarm"
echo 
exit 1; }
echo  -e "\033[32;5mTIMER COUNTING DOWN to $1 \033[0m"
sleep $1
{
    for ((volume = 15; volume <= 40; volume += 2)); do
        amixer -D pulse sset Master ${volume}% > /dev/null
        sleep .5
    done
} &

cvlc --play-and-exit "$soundfile" > /dev/null 2>&1
echo 'TIME IS UP.'
gxmessage -fg blue -font  'sans 20' -timeout 2 ' TIME IS UP !!'

#set back to original volume
amixer -D pulse sset Master $originalVolume > /dev/null

 

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LEARN ABOUT MOJAVE

alarm

ALARM(3)						   BSD Library Functions Manual 						  ALARM(3)

NAME

     alarm -- set signal timer alarm

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <unistd.h>

     unsigned
     alarm(unsigned seconds);

DESCRIPTION

     This interface is made obsolete by setitimer(2).

     The alarm() function sets a timer to deliver the signal SIGALRM to the calling process after the specified number of seconds.  If an alarm
     has already been set with alarm() but has not been delivered, another call to alarm() will supersede the prior call.  The request alarm(0)
     voids the current alarm and the signal SIGALRM will not be delivered.

     Due to setitimer(2) restriction the maximum number of seconds allowed is 100000000.

RETURN VALUES

     The return value of alarm() is the amount of time left on the timer from a previous call to alarm().  If no alarm is currently set, the
     return value is 0.

SEE ALSO

     setitimer(2), sigaction(2), sigpause(2), sigvec(2), signal(3), sleep(3), ualarm(3), usleep(3)

HISTORY

     An alarm() function appeared in Version 7 AT&T UNIX.

BSD
								  April 19, 1994							       BSD
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