--- functions.in.orig
+++ functions.in.new
@@ -215,8 +215,22 @@
 	    for p in "$@"; do
 		echo "$p" >> "$PARAMETERS.rm"
 	    done
-	    # let grep do the dirty work.
-	    grep -vxFf "$PARAMETERS.rm" "$PARAMETERS" > "$PARAMETERS.new"
+	    # let awk do the dirty work.
+		cat "$PARAMETERS" | awk -v VAR="$(cat "$PARAMETERS.rm")" '
+		{
+			del=0
+			split(VAR,rm)
+			for(i in rm)
+			{
+				if($1==rm[i]){
+					del++
+				}
+			}
+			if(del==0)
+			{
+				print $1
+			}
+		}' > "$PARAMETERS.new"
 	fi
 	cp -f "$PARAMETERS.new" "$PARAMETERS"
 }