1 files changed, 13 insertions, 8 deletions
diff --git a/batterymon.sh b/batterymon.sh
index 6396c2d..34e7faa 100644
--- a/batterymon.sh
+++ b/batterymon.sh
@@ -1,14 +1,19 @@
 #!/bin/bash
 
+if [[ $# -ne 2 ]]; then
+	echo "Usage: $0 THRESHOLD COMMAND"
+fi
+
 thresh=$1
-shift
+cmd=$2
+
 
 while true; do
-    num=`acpi|sed -nr '/Discharging/s/.*, ([0-9]*)%,.*/\1/p'`
-    num=${num:-100}
-    if (( "$num" < "$thresh" )); then
-	eval "$*"
-    else
-	sleep 1
-    fi
+	num=`acpi|sed -nr '/Discharging/s/.*, ([0-9]*)%,.*/\1/p'`
+	num=${num:-100}
+	if (( "$num" < "$thresh" )); then
+		eval "$cmd"
+	else
+		sleep 1
+	fi
 done