1 files changed, 15 insertions, 0 deletions
diff --git a/tests/support/tmpfile.tcl b/tests/support/tmpfile.tcl
new file mode 100644
index 0000000..809f587
--- /dev/null
+++ b/tests/support/tmpfile.tcl
@@ -0,0 +1,15 @@
+set ::tmpcounter 0
+set ::tmproot "./tests/tmp"
+file mkdir $::tmproot
+
+# returns a dirname unique to this process to write to
+proc tmpdir {basename} {
+    set dir [file join $::tmproot $basename.[pid].[incr ::tmpcounter]]
+    file mkdir $dir
+    set _ $dir
+}
+
+# return a filename unique to this process to write to
+proc tmpfile {basename} {
+    file join $::tmproot $basename.[pid].[incr ::tmpcounter]
+}