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#!/bin/sh
# chronographic.sh
# Craig Jennings <c@cjennings.net>
# quick and dirty terminal clock, timer, alarm and stopwatch functions
alias beep='paplay $BEEP'
export BEEP="/usr/share/sounds/freedesktop/stereo/bell.oga"
##
## CLOCK
##
clock() {
while true; do tput clear; echo ""; date +" %l : %M %p" | figlet -f roman -w 200 ; sleep 1; done
}
##
## TIMER
##
timer() {
# Ensure we have at least two arguments
if [ "$#" -lt 2 ]; then
echo "Pass the time and a notification. Example: timer 1h30m Parking expiring"
return 1
fi
message="${@:2}"
start_time=$(date +"%H:%M:%S %p")
printf "\nStarting %s timer at $start_time\n" "$1"
snore "$1" && paplay "$BEEP" && notify-send "Timer" "$message" && echo ""
}
##
## ALARM
##
alarm() {
# Ensure we have two or more arguments
if [ "$#" -lt 2 ]; then
echo "Pass both the time and a message. Example: alarm 1:45pm Time to eat!"
return 1
fi
# Validate the first argument is a valid time
! date -d "$1" >/dev/null 2>&1 && echo "Invalid time: $1" && return 1
# silently schedule the command using 'at' command
echo "paplay \$BEEP && notify-send \"Alarm\" \"$@\"" | at "$1" >> /dev/null 2>&1
echo ""
echo "Alarm '${@:2}' is queued for $1."
echo "To see all alarms, issue the command: 'atq'"
echo "To remove an alarm, issue the command: 'atrm' and the number of entry from atq"
echo ""
}
##
## STOPWATCH FUNCTIONS
##
sw_start_time=0
sw_started=0
swreset() {
sw_start_time=0
sw_started=0
echo "Stopwatch reset"
}
swshow() {
if [ "$sw_started" = 0 ] ; then
echo "Error: Stopwatch not started" >&2 && return 1
fi
current_time=$(date +%s)
elapsed_time=$((current_time - sw_start_time))
if (( elapsed_time < 60 )); then
# Display elapsed time in seconds
echo "Elapsed time: $elapsed_time seconds"
elif (( elapsed_time < 3600 )); then
# Display elapsed time in minutes and seconds
minutes=$((elapsed_time / 60))
seconds=$((elapsed_time % 60))
echo "Elapsed time: $minutes minutes, $seconds seconds"
else
# Display elapsed time in hours, minutes, and seconds
hours=$((elapsed_time / 3600))
minutes=$(((elapsed_time / 60) % 60))
seconds=$((elapsed_time % 60))
echo "Elapsed time: $hours hours, $minutes minutes, and $seconds seconds"
fi
}
swstop() {
swshow
swreset
}
swstart() {
if [ "$sw_started" = 1 ] ; then
printf "Stopwatch is already started. Reset? (y/n): "
read -r answer
if [ "$answer" = "y" -o "$answer" = "Y" ]; then
swreset
# continue on to start the new timer
elif [ "$answer" = "n" -o "$answer" = "N" ]; then
echo "Stopwatch not reset."
swshow
# return to avoid restarting the timer
return
else
echo "Error: Invalid input. Exiting." >&2 && return 1
fi
fi
sw_started=1
sw_start_time=$(date +%s)
printf "Stopwatch started at %s\n\n" "$(date +"%H:%M:%S %p")"
}
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