dnl @ ../doc/m4.texi:6851: Origin of test
dnl @ expected status: 0
dnl @ extra options: 
dnl @ Copyright (C) 2006, 2007, 2008, 2009 Free Software
dnl @ Foundation, Inc.
dnl @ This file is free software; the Free Software Foundation
dnl @ gives unlimited permission to copy and/or distribute it
dnl @ with or without modifications, as long as this notice
dnl @ is preserved.
define(`foo', `errprint(`oops')')
dnl @result{}
syscmd(`rm -f foo-??????')sysval
dnl @result{}0
define(`file1', maketemp(`foo-XXXXXX'))dnl
ifelse(esyscmd(`echo \` foo-?????? \''), ` foo-?????? ',
       `no file', `created')
dnl @result{}created
define(`file2', maketemp(`foo-XX'))dnl
define(`file3', mkstemp(`foo-XXXXXX'))dnl
ifelse(len(defn(`file1')), len(defn(`file2')),
       `same length', `different')
dnl @result{}same length
ifelse(defn(`file1'), defn(`file2'), `same', `different file')
dnl @result{}different file
ifelse(defn(`file2'), defn(`file3'), `same', `different file')
dnl @result{}different file
ifelse(defn(`file1'), defn(`file3'), `same', `different file')
dnl @result{}different file
syscmd(`rm 'defn(`file1') defn(`file2') defn(`file3'))
dnl @result{}
sysval
dnl @result{}0