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#!/usr/bin/env bash
# timer DURATION [MESSAGE...]
# examples: timer 25m "Pomodoro done" | timer 90s "Break over"
set -euo pipefail
dur="${1:-}"
shift || true
msg="${*:-Time is up}"
if [ -z "$dur" ]; then
echo "usage: timer 25m \"Pomodoro done\" | timer 90s \"Break over\""
exit 1
fi
# Parse duration: Ns or Nm (only)
case "$dur" in
*m) total=$(( ${dur%m} * 60 ));;
*s) total=$(( ${dur%s} ));;
*) echo "Bad duration: $dur (use e.g. 25m or 90s)"; exit 1;;
esac
# Terminal helpers
cols=$(tput cols 2>/dev/null || echo 80)
barw=$(( cols - 22 ))
[ "$barw" -lt 10 ] && barw=10
hide_cursor() { tput civis 2>/dev/null || true; }
show_cursor() { tput cnorm 2>/dev/null || true; }
cleanup() { show_cursor; printf "\n"; }
trap cleanup EXIT INT TERM
hide_cursor
# ANSI colors (no external deps)
YELLOW=$'\033[33m'
GREEN=$'\033[32m'
DIM=$'\033[2m'
RESET=$'\033[0m'
secs="$total"
start_msg="${msg}"
while [ "$secs" -gt 0 ]; do
mm=$(( secs / 60 ))
ss=$(( secs % 60 ))
done=$(( total - secs ))
pct=$(( done * 100 / total ))
fill=$(( barw * done / total ))
empty=$(( barw - fill ))
# Build progress bar
bar="$(printf "%${fill}s" "" | tr ' ' '=')"
pad="$(printf "%${empty}s" "")"
printf "\r${YELLOW}T-%02d:%02d${RESET} ${DIM}[${bar}>${pad}]${RESET} %3d%% " \
"$mm" "$ss" "$pct"
sleep 1
secs=$(( secs - 1 ))
done
printf "\r${GREEN}DONE 00:00 100%%\n"
notify-send "Timer" "$start_msg"
paplay /usr/share/sounds/freedesktop/stereo/complete.oga >/dev/null 2>&1 || true
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