customizations for slackware

1 files changed, 11 insertions, 4 deletions

diff --git a/bin/lt b/bin/lt
index f09f3b7..48424ef 100755
--- a/bin/lt
+++ b/bin/lt
@@ -2,7 +2,7 @@
 
 # link tree
 
-lt_version='lt-0.1'
+lt_version='lt-0.2'
 unset CDPATH
 export LC_ALL=C IFS='   
 '
@@ -15,7 +15,8 @@ Usage:
 
 Options:
 	-V	print version and exit
-	-n	print actions but not execute"
+	-n	print actions but not execute
+	-u  unlink"
 }
 
 # ca returns the common ancestor between 2 paths
@@ -65,14 +66,20 @@ lt() {
 			done
 			f=${f#./}; fd=$d/$f; fd=${fd%/*}
 			test -d "$fd" || $trace mkdir -p "$fd"
-			rp "$s/$f" "$d/$f" && $trace ln -sf "$R1" "$d/$f"
+			if [ "$unlink" ]; then
+				! [ -L "$d/$f" ] && echo "not a symlink: $d/$f" >&2 && continue
+				$trace rm "$d/$f"
+			else
+				rp "$s/$f" "$d/$f" && $trace ln -sf "$R1" "$d/$f"
+			fi
 		done
 	}
 }
 
-while getopts :nvV opt; do
+while getopts :nuvV opt; do
 	case $opt in
 	(n) trace='echo' ;;
+	(u) unlink=1 ;;
 	(V) echo "$lt_version"; exit ;;
 	(*) help; exit 1;;
 	esac