Well, tested now.

diff --git a/src/gdb-wrap b/src/gdb-wrap
index 71a5a0f..a33414e 100755 (executable)
--- a/src/gdb-wrap
+++ b/src/gdb-wrap
@@ -5,7 +5,7 @@ DIR=/tmp/gdb.d
 mkdir -p $DIR
 i=0
 while true;do
-       FILE=DIR/`printf %02d $i`
+       FILE=$DIR/`printf %02d $i`
        if ! test -f $FILE;then
                break
        fi