Not sure why open_pipe made a temp directory, now it makes a temp file instead

qq2clone

@@ -60,11 +60,10 @@ open_pipe ()
 #=========================================================================#
 {
 check_pipe && return
-local TEMPDIR
-TEMPDIR=$(mktemp -d) || temp_error
+local fifo_path
+fifo_path=$(mktemp) || temp_error
 #shellcheck disable=2064
-trap "exec 3>&-; exec 3<&-;rm -rf $TEMPDIR" EXIT
-fifo_path="${TEMPDIR}/qq2clone_fifo"
+trap "exec 3>&-; exec 3<&-;rm -f $fifo_path" EXIT
 mkfifo "$fifo_path" || fifo_error
 exec 3<>"$fifo_path"
 return 0
@@ -110,7 +109,7 @@ write_pipe ()
 {
 # We put a + at the beginning of every line to let read_pipe work in a
 # non-blocking manner
- local line
+local line
 if (($1)); then
   while IFS= read -r line; do 
     echo "+$line" >&3