From d0947320bc1b3a1223097749affe798ba225f979 Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <pham@topo.tw>
Date: Wed, 22 Feb 2023 15:03:30 +0800
Subject: Update

---
 bin/unix/stopwatch.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 bin/unix/stopwatch.sh

(limited to 'bin/unix/stopwatch.sh')

diff --git a/bin/unix/stopwatch.sh b/bin/unix/stopwatch.sh
new file mode 100755
index 0000000..70f6b0c
--- /dev/null
+++ b/bin/unix/stopwatch.sh
@@ -0,0 +1,20 @@
+#! /bin/bash
+# Ref: https://superuser.com/questions/611538/611582#611582
+
+tput civis
+read -p '? ' input
+
+[[ "$input" =~ s && ! "$input" =~ sec  ]] && input="$(sed s/s/sec/  <<<"$input")"
+[[ "$input" =~ m && ! "$input" =~ min  ]] && input="$(sed s/m/min/  <<<"$input")"
+[[ "$input" =~ h && ! "$input" =~ hour ]] && input="$(sed s/h/hour/ <<<"$input")"
+
+time=0
+start=$(date +%s)
+given=$(date +%s -d "$input")
+stop=$(( $given - $start ))
+while [ $time -ne $stop ]; do
+    time="$(( $(date +%s) - $start ))"
+    printf '%s\r' "$(date -u -d "@$time" +%H:%M:%S)"
+    sleep 0.3
+done
+printf "\e[1;31m$(date -u -d "@$time" +%H:%M:%S)"
-- 
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