From cff7c75150454226b8cbb77f3daf6fdabd8a28eb Mon Sep 17 00:00:00 2001
From: krebs <krebs@fuerkrebs>
Date: Tue, 8 Nov 2011 17:12:25 -0500
Subject: // magic: shuffle args

---
 census/sched-arping |  2 +-
 util/bin/magic      | 14 +++++---------
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/census/sched-arping b/census/sched-arping
index d281cac3..14f8af3c 100755
--- a/census/sched-arping
+++ b/census/sched-arping
@@ -4,5 +4,5 @@ TMP=`mktemp`
 crontab -l >$TMP
 
 echo "23 * * * * $PWD/arping_users.py > $PWD/../db/arping" |
-../util/bin/magic "arping" create $TMP
+../util/bin/magic create "arping" $TMP
 crontab $TMP
diff --git a/util/bin/magic b/util/bin/magic
index cb9cee6e..a404c0c3 100755
--- a/util/bin/magic
+++ b/util/bin/magic
@@ -1,12 +1,8 @@
 #! /bin/sh
-#
-# magic NAME create FILE < CONTENT
-# magic NAME update FILE < CONTENT
-# magic NAME destroy FILE
-#
+set -euf
 
-bs="# begin krebs magic <$1>"
-es="# end krebs magic <$1>"
+bs="# begin krebs magic <$2>"
+es="# end krebs magic <$2>"
 
 has() {
   grep -q "^$bs$" $3 && grep -q "^$es$" $3
@@ -37,7 +33,7 @@ destroy() {
 }
 help() {
 cat <<EOF
-Usage: $0 DELIMITER_NAME FUNCTION FILE
+Usage: $0 FUNCTION DELIMITER_NAME FILE
 $0 creates,updates or destroys magic inside a file.
 It can be used to reliably add or remove custom lines.
 For example add own lines in /etc/rc.local to auto-load 
@@ -55,7 +51,7 @@ shell comment symbol "#".
 EOF
 
 }
-case $2 in
+case $1 in
   (create) create "$@" ;;
   (retrieve) retrieve "$@" ;;
   (update) update "$@" ;;
-- 
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