On Wed, Aug 24, 2016 at 03:01:09PM +0100, Stephane Chazelas wrote: > Possibly HP-UX changed it? Sounds more likely than > Solaris changing it the other way round. > > What version of ksh is it based on?
$ strings /bin/ksh | grep Version | tail -2 @(#)Version 11/16/88 (That command came from http://unix.stackexchange.com/questions/199900/how-can-i-safely-get-the-version-of-ksh .) $ what /bin/ksh /bin/ksh: $Revision: 78.5.1.45 $ Version 11/16/88 PATCH_10_20: arith.o blok.o ctype.o defs.o edit.o echo.o expand.o fault.o io.o string.o stak.o word.o emacs.o vi.o hpux_rel.o args.o builtin.o cmd.o main.o msg.o print.o xec.o name.o macro.o error.o service.o test.o jobs.o history.o 99/10/18 For comparison, here's an HP-UX 11 machine: $ uname -a HP-UX megview1 B.11.11 U 9000/785 532302039 unlimited-user license $ ksh -ec '((0)); echo X' $ strings /bin/ksh | grep Version | tail -2 @(#)Version 11/16/88 $ what /bin/ksh /bin/ksh: defs.c $Date: 2002/11/18 20:42:15 $Revision: r11.11/2 PATCH_11.11 (PHCO_27019) edit.c $Date: 2003/12/04 01:58:17 $Revision: r11.11/4 PATCH_11.11 (PHCO_30000) fault.c $Date: 2003/12/04 02:02:36 $Revision: r11.11/3 PATCH_11.11 (PHCO_30000) io.c $Date: 2003/12/04 02:04:39 $Revision: r11.11/6 PATCH_11.11 (PHCO_30000) emacs.c $Date: 2003/12/04 02:01:04 $Revision: r11.11/3 PATCH_11.11 (PHCO_30000) vi.c $Date: 2003/12/04 02:06:52 $Revision: r11.11/2 PATCH_11.11 (PHCO_30000) cmd.c $Date: 2002/11/18 20:41:14 $Revision: r11.11/1 PATCH_11.11 (PHCO_27019) main.c $Date: 2002/11/18 20:52:03 $Revision: r11.11/4 PATCH_11.11 (PHCO_27019) xec.c $Date: 2005/04/14 05:37:12 $Revision: r11.11/3 PATCH_11.11 (PHCO_33169) macro.c $Date: 2005/04/14 05:37:36 $Revision: r11.11/3 PATCH_11.11 (PHCO_33169) error.c $Date: 2002/11/18 20:44:16 $Revision: r11.11/2 PATCH_11.11 (PHCO_27019) jobs.c $Date: 2005/04/14 05:36:32 $Revision: r11.11/5 PATCH_11.11 (PHCO_33169) growaray.c $Date: 2004/07/08 23:31:31 $Revision: r11.11/1 PATCH_11.11 (PHCO_30316) unassign.c $Date: 2006/02/15 01:44:30 $Revision: r11.11/2 PATCH_11.11 (PHCO_34509) $Revision: @(#) ksh88 R11.11_BL2006_0620_1 PATCH_11.11 PHCO_34509 $ B.11.11_LR Nov 4 2004 06:32:21 $ Version 11/16/88 I won't even try to guess which behavior (HP's or Sun's) is the original and which one is a vendor modification.
