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Update to modern POSIX specifications; Remove legacy bash notation #74

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Update to modern POSIX specifications; Remove legacy bash notation
ChimaAmu Nov 6, 2025
d68b43b
Additional helpful information regarding usage parameters
ChimaAmu Nov 19, 2025
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52 changes: 36 additions & 16 deletions scripts/pomodoro.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,40 +5,60 @@
# The second argument is the break length.
# Made by Kiailandi (https://github.com/kiailandi)

wseconds=${1:-25}*60;
pseconds=${2:-wseconds/300}*60;
wseconds="${1:-25}*60";
pseconds="${2:-wseconds/300}*60";

usage()
{
echo "Usage: $0 {focus time length} {break length}"
echo "Times given should be integers representing minutes"
echo "Defaults: focus time length = 25 minutes"
echo " break time length = 5 minutes"
}

if [ "$1" = "-h" ] || [ "$1" = "--help" ] || [ "$#" -gt 2 ]; then
echo "The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s."
usage
exit 0
fi

integers='^[0-9]+$'
if ! [[ "$1" =~ $integers ]] || ! [[ "$2" =~ $integers ]]; then
usage
exit 1
fi

# Check os and behave accordingly
if [ "$(uname)" == "Darwin" ]; then
while true; do
date1=$((`date +%s` + $wseconds));
while [ "$date1" -ge `date +%s` ]; do
echo -ne "$(date -u -j -f %s $(($date1 - `date +%s`)) +%H:%M:%S)\r";
date1=$(($(date +%s) + wseconds))
while [ "$date1" -ge $(('date +%s')) ]; do
echo -ne "$(date -u -j -f %s $((date1 - $(date +%s))) +%H:%M:%S)\r"
done
osascript -e 'display notification "Time to walk and rest!" with title "Break"';
read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n';
date2=$((`date +%s` + $pseconds));
while [ "$date2" -gt `date +%s` ]; do
echo -ne "$(date -u -j -f %s $(($date2 - `date +%s`)) +%H:%M:%S)\r";
date2=$(($(date +%s) + pseconds))
while [ "$date2" -ge "$(date +%s)" ]; do
echo -ne "$(date -u -j -f %s $((date2 - $(date +%s))) +%H:%M:%S)\r"
done
osascript -e 'display notification "Time to get back to work" with title "Work"';
read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n';
done
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
elif [ "$(printf "%s" "$(uname -s)" | cut -c 1-5)" == "Linux" ] ; then
while true; do
date1=$((`date +%s` + $wseconds));
while [ "$date1" -ge `date +%s` ]; do
echo -ne "$(date -u --date @$(($date1 - `date +%s` )) +%H:%M:%S)\r";
date1=$(($(date +%s) + wseconds));
while [ "$date1" -ge "$(date +%s)" ]; do
echo -ne "$(date -u --date @$((date1 - $(date +%s))) +%H:%M:%S)\r"
done
notify-send "Break" "Time to walk and rest";
read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n';
date2=$((`date +%s` + $pseconds));
while [ "$date2" -ge `date +%s` ]; do
echo -ne "$(date -u --date @$(($date2 - `date +%s` )) +%H:%M:%S)\r";
date2=$(($(date +%s) + pseconds))
while [ "$date2" -ge "$(date +%s)" ]; do
echo -ne "$(date -u --date @$((date2 - $(date +%s))) +%H:%M:%S)\r"
done
notify-send "Work" "Time to get back to work";
read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n';
done
else
echo -ne "Your OS is currently not supported\n";
fi
fi