1 files changed, 58 insertions, 0 deletions
diff --git a/listimer b/listimer
new file mode 100755
index 0000000..fe5f4c3
--- /dev/null
+++ b/listimer
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+COMMAND=$1
+case "$COMMAND"
+in
+  "start")
+    if [ "$#" -ne 2 ]; then
+        echo "Usage: listimer start <minutes>";
+        exit 1;
+    fi
+    DURATION_MIN=$2
+    CURRENT_TIME=$(date +%s)
+    echo "$CURRENT_TIME\n\n$DURATION_MIN" > /tmp/listimer
+  ;;
+
+  "restart")
+    if [ "$#" -ne 1 ]; then
+        echo "Usage: listimer restart";
+        exit 1;
+    fi
+    CURRENT_TIME=$(date +%s)
+    sed -i "1s/.*/$CURRENT_TIME/" /tmp/listimer
+  ;;
+
+  "stop")
+    if [ "$#" -ne 1 ]; then
+        echo "Usage: listimer stop";
+        exit 1;
+    fi
+    CURRENT_TIME=$(date +%s)
+    rm /tmp/listimer
+  ;;
+
+  "query")
+    if [ ! -f /tmp/listimer ]; then
+      echo "No timer"
+      exit 0;
+    fi
+
+    START_TIME=$(sed -n '1p' < /tmp/listimer)
+    DURATION_MIN=$(sed -n '3p' < /tmp/listimer)
+    DURATION_SEC=$DURATION_MIN*60
+    CURRENT_TIME=$(date +%s)
+
+    ELAPSED_TIME_SEC=$(($CURRENT_TIME-$START_TIME))
+    ELAPSED_TIME_MIN=$(($ELAPSED_TIME_SEC/60))
+    REMAINING_TIME_MIN=$(($DURATION_MIN-$ELAPSED_TIME_MIN))
+
+    if [ "$REMAINING_TIME_MIN" -lt "$(($DURATION_MIN / 2))" ]; then
+      echo "<span weight=\"bold\" size=\"larger\" background=\"#FF0000\">$REMAINING_TIME_MIN minutes</span>" 
+    elif [ "$REMAINING_TIME_MIN" -lt "0" ]; then
+      echo "TIME OUT!"
+    else
+      echo "$REMAINING_TIME_MIN minutes" 
+    fi
+  ;;
+  *) echo "Unexpected command."
+esac