Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.unix.shell > #26911

Re: Variable var names

From Frank Winkler <usenet@f.winkler-ka.de>
Newsgroups comp.unix.shell
Subject Re: Variable var names
Date 2026-06-12 15:19 +0200
Message-ID <n92falFnb3cU1@mid.individual.net> (permalink)
References <n91qs8Fk65fU1@mid.individual.net> <slrn112nttv.1fqc.naddy@lorvorc.mips.inka.de>

Show all headers | View raw


On 12.06.2026 14:12, Christian Weisgerber wrote:

  >which are then evaluated again.  You need to quote the quote
  >characters so they make it to the second round:
  >
  >$ eval echo \"\$x$n\"
  >   not ok

You're absolutely right - I really (sh|c)ould have had this idea by 
myself ;) ...

  >The result of substituting $x2 is subject to field splitting according
  >to the input field separators (IFS).

Thanks for waking me up, Christian! :)

  >The latter is actually the POSIX-mandated behavior: "If the command
  >name is a special built-in utility, variable assignments shall
  >affect the current execution environment before the utility is
  >executed and remain in effect when the command completes".
  >
  >Bash chooses to violate this, unless invoked with --posix or 
 >POSIXLY_CORRECT.

Thanks for that info - I wasn't aware of that!

Regards

	Frank

Back to comp.unix.shell | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Variable var names Frank Winkler <usenet@f.winkler-ka.de> - 2026-06-12 09:30 +0200
  Re: Variable var names gazelle@shell.xmission.com (Kenny McCormack) - 2026-06-12 09:02 +0000
    Re: Variable var names Frank Winkler <usenet@f.winkler-ka.de> - 2026-06-13 12:29 +0200
      Re: Variable var names gazelle@shell.xmission.com (Kenny McCormack) - 2026-06-13 11:14 +0000
      Re: Variable var names Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-06-13 13:15 +0200
  Re: Variable var names ram@zedat.fu-berlin.de (Stefan Ram) - 2026-06-12 11:26 +0000
    Re: Variable var names ram@zedat.fu-berlin.de (Stefan Ram) - 2026-06-12 11:38 +0000
      Re: Variable var names Frank Winkler <usenet@f.winkler-ka.de> - 2026-06-12 14:07 +0200
        Re: Variable var names ram@zedat.fu-berlin.de (Stefan Ram) - 2026-06-12 12:31 +0000
          Re: Variable var names Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-13 02:48 +0000
  Re: Variable var names Christian Weisgerber <naddy@mips.inka.de> - 2026-06-12 12:12 +0000
    Re: Variable var names Frank Winkler <usenet@f.winkler-ka.de> - 2026-06-12 15:19 +0200
    Re: Variable var names Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-13 02:51 +0000
  Re: Variable var names Geoff Clare <geoff@clare.See-My-Signature.invalid> - 2026-06-12 13:42 +0100
  Re: Variable var names Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-06-12 17:41 +0200
    Re: Variable var names Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-06-12 17:54 +0200
    Re: Variable var names Frank Winkler <usenet@f.winkler-ka.de> - 2026-06-13 12:32 +0200
      Re: Variable var names Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-14 01:12 +0000
  Re: Variable var names Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-06-13 00:20 +0000
  Re: Variable var names Kaz Kylheku <046-301-5902@kylheku.com> - 2026-06-23 21:25 +0000
    Re: Variable var names Helmut Waitzmann <nn.throttle@erine.email> - 2026-06-24 10:45 +0200
    Re: Variable var names Christian Weisgerber <naddy@mips.inka.de> - 2026-06-24 11:41 +0000

csiph-web