small readibilƣty fixes

documentation typo fixes
kittscanner.sh improved execution speed
new noisyalert.sh gadget


git-svn-id: http://dzen.googlecode.com/svn/trunk@152 f2baff5b-bf2c-0410-a398-912abdc3d8b2

3 files changed, 34 insertions, 6 deletions

diff --git a/gadgets/README.kittscanner b/gadgets/README.kittscanner
index 37da5bc..a436d74 100644
--- a/gadgets/README.kittscanner
+++ b/gadgets/README.kittscanner
@@ -8,7 +8,7 @@ other than just displaying text ;).
 It implements sort of a KITT (Knight Rider, TV series) scanner in shell
 script.
 
-There are some setting that you can tweak to your likings, see
-"kitt-scanner.sh" for further details.
+There are some settings that you can tweak to your likings, see
+"kittscanner.sh" for further details.
 
 
diff --git a/gadgets/kittscanner.sh b/gadgets/kittscanner.sh
index 0a99e64..a222e72 100755
--- a/gadgets/kittscanner.sh
+++ b/gadgets/kittscanner.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# (c) 2007 by Robert Manea <rob dot manea @ gmail dot com>
+# (c) 2007 by Robert Manea <rob dot manea at gmail dot com>
 #
 # KITT Scanner for dzen - a man, a car, a dzen
 #
@@ -31,6 +31,7 @@ RECT="^r(${LED_WIDTH}x${LED_HEIGHT})"
 
 i=; j=1; SIGN='+'
 
+# build a number list "1 2 ... $SCANNER_LEDS"
 nr_list_leds() {
 	l=1
 	lnr=$1
@@ -42,9 +43,10 @@ nr_list_leds() {
 
 	echo $NRLIST
 }
+LED_LIST=`nr_list_leds $SCANNER_LEDS`
 
 while :; do
-    for i in `nr_list_leds $SCANNER_LEDS`; do
+    for i in $LED_LIST; do
         if [ "$i" -eq "$j" ]; then
             KBAR=${KBAR}"^p(${LED_SPACING})"${LFG}${RECT}${DFG}
         else
@@ -58,8 +60,7 @@ while :; do
     if [ $SIGN = '+' ] && [ $j -ge $SCANNER_LEDS ]; then
         j=$SCANNER_LEDS
         SIGN='-'
-    fi
-    if [ $SIGN = '-' ] && [ $j -eq 1 ]; then
+    elif [ $SIGN = '-' ] && [ $j -eq 1 ]; then
         j=1
         SIGN='+'
     fi
diff --git a/gadgets/noisyalert.sh b/gadgets/noisyalert.sh
new file mode 100644
index 0000000..75be808
--- /dev/null
+++ b/gadgets/noisyalert.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# (c) 2007 by Robert Manea
+#
+# A noisy alert for dzen
+# 
+# Syntax noisyalert.sh [Message] [TIMEOUT in seconds] | dzen2
+
+ALERTMSG=${1:-"Alert"}
+ALERTSEC=${2:-10}
+
+RECTW=10
+RECTH=10
+
+
+while [ $ALERTSEC -ne 0 ]; do
+
+	if [ `expr $ALERTSEC % 2` -eq 0 ]; then
+		echo "^r(${RECTW}x${RECTH}) $ALERTMSG"
+	else
+		echo "^ro(${RECTW}x${RECTH}) $ALERTMSG"
+	fi
+
+	ALERTSEC=`expr $ALERTSEC - 1`
+	sleep 1
+done
+