--- /usr/sbin/ppa-purge	2010-08-22 08:41:52.000000000 +0100
+++ /patches/ppa-purge	2010-09-14 18:57:10.000000000 +0100
@@ -83,7 +83,7 @@
 shift $(($OPTIND -1))
 
 PPAOWNER=$1
-if [ ! -z APTALT ]; then
+if [ ! -z "$APTALT" ]; then
 	APT=aptitude; APTALT=apt-get
 else
 	APT=apt-get; APTALT=aptitude
@@ -139,7 +139,7 @@
 echo
 
 # Disable PPA from sources.list files
-for LIST in for LIST in $(find /etc/apt/ -name "*.list" -exec readlink '{}' \;); do; do
+for LIST in $(find /etc/apt/ -name "*.list" -exec readlink -f '{}' \;); do
 	if [ -e $LIST ] && grep -q $PPAOWNER/$PPANAME $LIST; then
 		msg "Disabling $PPAOWNER PPA from $LIST"
 		sed -ri "\:^[^#]+/${PPAOWNER}/${PPANAME}/:s/^deb/# deb/" $LIST
@@ -154,9 +154,9 @@
 # APTALT actually works but it would be preferred to remove the package
 # from $REINSTALL directly.
 
-if APT install $REINSTALL; then
+if $APT install $REINSTALL; then
 	msg "PPA purged successfully"
-elif APTALT install $REINSTALL; then
+elif $APTALT install $REINSTALL; then
 	msg "PPA purged successfully using $APTALT fallback"
 else
 	warn "Something went wrong, packages may not have been reverted"