Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > gnu.bash.bug > #16355
| Path | csiph.com!goblin2!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail |
|---|---|
| From | worley@alum.mit.edu (Dale R. Worley) |
| Newsgroups | gnu.bash.bug |
| Subject | Command substitution |
| Date | Tue, 02 Jun 2020 21:44:45 -0400 |
| Lines | 23 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.1029.1591148692.2541.bug-bash@gnu.org> (permalink) |
| References | <87mu5kgbxu.fsf@hobgoblin.ariadne.com> |
| NNTP-Posting-Host | lists.gnu.org |
| X-Trace | usenet.stanford.edu 1591148692 2449 209.51.188.17 (3 Jun 2020 01:44:52 GMT) |
| X-Complaints-To | action@cs.stanford.edu |
| To | bug-bash@gnu.org |
| Envelope-to | bug-bash@gnu.org |
| DKIM-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcastmailservice.net; s=20180828_2048; t=1591148687; bh=Ty427rlz5MSIomnLKLUXoqYCptjhJ3VcRW5gWsTQA5Q=; h=Received:Received:Received:Received:From:To:Subject:Date: Message-ID; b=VDeQ20U8sgUHdOIyDH8fY8W5CF74HUxGraGTceDW2JesBS+BKvSCrFLhIEdm3bOy7 8hVnKOm5CDWtFECfXeBp+zzwkhOstsbtmz44yg2Y6Zicb7x/MznEfRn7YKKUN6LSmc MxnrRgRX4721Fy0uGPVZSOW8en/P5Oa9jXgMXntkxlq7Lw+B0MlhnQlNT45B5/M9A5 K07SkAVHffiaYOX0PVNNpa2IiXzkWewHuXAE9Za8u68F3bV+VmNNRW33d5rqUSoPBO Nc+2nzwZpi7EZktrKfGFMOxGCmfzkQGGBLdNzyraDld8im4naY/HIa9dBKokaD/PEm rjAkvSfODre9Q== |
| X-Xfinity-VMeta | sc=0.00;st=legit |
| X-Authentication-Warning | hobgoblin.ariadne.com: worley set sender to worley@alum.mit.edu using -f |
| Received-SPF | permerror client-ip=2001:558:fe21:29:69:252:207:36; envelope-from=worley@alum.mit.edu; helo=resqmta-ch2-04v.sys.comcast.net |
| X-detected-operating-system | by eggs.gnu.org: First seen = 2020/06/02 21:44:48 |
| X-ACL-Warn | Detected OS = ??? |
| X-Spam_score_int | -18 |
| X-Spam_score | -1.9 |
| X-Spam_bar | - |
| X-Spam_report | (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN |
| X-Spam_action | no action |
| X-BeenThere | bug-bash@gnu.org |
| X-Mailman-Version | 2.1.23 |
| Precedence | list |
| List-Id | Bug reports for the GNU Bourne Again SHell <bug-bash.gnu.org> |
| List-Unsubscribe | <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe> |
| List-Archive | <https://lists.gnu.org/archive/html/bug-bash> |
| List-Post | <mailto:bug-bash@gnu.org> |
| List-Help | <mailto:bug-bash-request@gnu.org?subject=help> |
| List-Subscribe | <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe> |
| X-Mailman-Original-Message-ID | <87mu5kgbxu.fsf@hobgoblin.ariadne.com> |
| Xref | csiph.com gnu.bash.bug:16355 |
Show key headers only | View raw
Naively, I expect that
FOO="$( command2 )"
command1 $FOO
has the same effect as
command1 $( command2 )
and
FOO="$( command2 )"
command1 "$FOO"
has the same effect as
command1 "$( command2 )"
Has anyone pushed the boundaries of this and can tell me whether there
are gotchas?
Dale
Back to gnu.bash.bug | Previous | Next | Find similar
Command substitution worley@alum.mit.edu (Dale R. Worley) - 2020-06-02 21:44 -0400
csiph-web