Index: openacs-4/packages/xowiki/tcl/import-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/import-procs.tcl,v
diff -u -r1.42.2.6 -r1.42.2.7
--- openacs-4/packages/xowiki/tcl/import-procs.tcl	26 Aug 2020 18:34:59 -0000	1.42.2.6
+++ openacs-4/packages/xowiki/tcl/import-procs.tcl	8 Oct 2020 08:13:27 -0000	1.42.2.7
@@ -403,9 +403,7 @@
       application/zip -
       application/x-zip -
       application/x-zip-compressed {
-        set zipcmd [::util::which unzip]
-        #:msg "zip = $zipcmd, tempdir = ${:tmpdir}"
-        exec $zipcmd ${:file} -d ${:tmpdir}
+        ::util::unzip -source ${:file} -destination ${:tmpdir}
         :import -dir ${:tmpdir} -parent_id ${:parent_id}
         set success 1
       }