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bug#12689: 24.2; Eshell ${cmd} substitution
From: |
Aidan Gauland |
Subject: |
bug#12689: 24.2; Eshell ${cmd} substitution |
Date: |
Sat, 20 Oct 2012 21:06:41 +1300 |
In Eshell, ${cmd} expands to nil.
e.g.
$ echo ${/bin/echo -e "foo\nbar"}
$
Note the absence of any output from `echo'.
$ echo ${/bin/echo -e "foo\nbar"}-foo
nil-foo
n$
`*echo' prints expected output, but only for the first case.
$ echo ${/bin/echo -e "foo\nbar"}
foo
bar
$
$ echo ${/bin/echo -e "foo\nbar"}-foo
("foo" "bar")-foo
$
In GNU Emacs 24.2.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.10)
of 2012-09-10 on trouble, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11203902
Configured using:
`configure '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu'
'--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'
'--localstatedir=/var/lib' '--infodir=/usr/share/info'
'--mandir=/usr/share/man' '--with-pop=yes'
'--enable-locallisppath=/etc/emacs24:/etc/emacs:/usr/local/share/emacs/24.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.2/site-lisp:/usr/share/emacs/site-lisp'
'--with-crt-dir=/usr/lib/x86_64-linux-gnu' '--with-x=yes'
'--with-x-toolkit=gtk' '--with-toolkit-scroll-bars'
'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fstack-protector
--param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall'
'CPPFLAGS=-D_FORTIFY_SOURCE=2''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_NZ.utf8
value of $XMODIFIERS: nil
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: EShell
Minor modes in effect:
tooltip-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
M-x e s h <tab> <return> e c h o SPC $ { / b i n /
e c h o M-b C-e SPC } <backspace> - e SPC " f o o <return>
<backspace> \ n b a r " } <return> M-p - f o o <return>
M-p C-a * <return> M-p <M-backspace> <backspace> <return>
M-x r e p o r t <tab> <return>
Recent messages:
Loading em-dirs...done
Loading em-glob...done
Loading em-hist...done
Loading em-ls...done
Loading em-prompt...done
Loading em-script...done
Loading em-term...done
Loading em-unix...done
Expecting completion of delimiter { ...
History item: 128 [3 times]
Load-path shadows:
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/usr/share/emacs/site-lisp/debian-startup
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/usr/share/emacs/24.2/lisp/textmodes/flyspell
/usr/share/emacs/24.2/site-lisp/dictionaries-common/ispell hides
/usr/share/emacs/24.2/lisp/textmodes/ispell
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/usr/local/share/emacs/site-lisp/org-id hides
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/usr/local/share/emacs/site-lisp/ob-lisp hides
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/usr/local/share/emacs/site-lisp/ob-C hides /usr/share/emacs/24.2/lisp/org/ob-C
/usr/local/share/emacs/site-lisp/org-irc hides
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/usr/local/share/emacs/site-lisp/org-footnote hides
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/usr/local/share/emacs/site-lisp/org-jsinfo hides
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/usr/local/share/emacs/site-lisp/org-bibtex hides
/usr/share/emacs/24.2/lisp/org/org-bibtex
/usr/local/share/emacs/site-lisp/ob-perl hides
/usr/share/emacs/24.2/lisp/org/ob-perl
/usr/local/share/emacs/site-lisp/org-publish hides
/usr/share/emacs/24.2/lisp/org/org-publish
/usr/local/share/emacs/site-lisp/org-exp-blocks hides
/usr/share/emacs/24.2/lisp/org/org-exp-blocks
/usr/local/share/emacs/site-lisp/ob-java hides
/usr/share/emacs/24.2/lisp/org/ob-java
/usr/local/share/emacs/site-lisp/ob-table hides
/usr/share/emacs/24.2/lisp/org/ob-table
/usr/local/share/emacs/site-lisp/ob-scheme hides
/usr/share/emacs/24.2/lisp/org/ob-scheme
/usr/local/share/emacs/site-lisp/org-install hides
/usr/share/emacs/24.2/lisp/org/org-install
/usr/local/share/emacs/site-lisp/ob-latex hides
/usr/share/emacs/24.2/lisp/org/ob-latex
/usr/local/share/emacs/site-lisp/org-special-blocks hides
/usr/share/emacs/24.2/lisp/org/org-special-blocks
/usr/local/share/emacs/site-lisp/ob-mscgen hides
/usr/share/emacs/24.2/lisp/org/ob-mscgen
/usr/local/share/emacs/site-lisp/org-gnus hides
/usr/share/emacs/24.2/lisp/org/org-gnus
/usr/local/share/emacs/site-lisp/org-beamer hides
/usr/share/emacs/24.2/lisp/org/org-beamer
/usr/local/share/emacs/site-lisp/ob-sass hides
/usr/share/emacs/24.2/lisp/org/ob-sass
/usr/local/share/emacs/site-lisp/org-datetree hides
/usr/share/emacs/24.2/lisp/org/org-datetree
/usr/local/share/emacs/site-lisp/org-src hides
/usr/share/emacs/24.2/lisp/org/org-src
/usr/local/share/emacs/site-lisp/org-mouse hides
/usr/share/emacs/24.2/lisp/org/org-mouse
/usr/local/share/emacs/site-lisp/org-entities hides
/usr/share/emacs/24.2/lisp/org/org-entities
/usr/local/share/emacs/site-lisp/org-odt hides
/usr/share/emacs/24.2/lisp/org/org-odt
/usr/local/share/emacs/site-lisp/org-plot hides
/usr/share/emacs/24.2/lisp/org/org-plot
/usr/local/share/emacs/site-lisp/org-eshell hides
/usr/share/emacs/24.2/lisp/org/org-eshell
/usr/local/share/emacs/site-lisp/org-latex hides
/usr/share/emacs/24.2/lisp/org/org-latex
/usr/local/share/emacs/site-lisp/ob-sql hides
/usr/share/emacs/24.2/lisp/org/ob-sql
/usr/local/share/emacs/site-lisp/ob-ref hides
/usr/share/emacs/24.2/lisp/org/ob-ref
/usr/local/share/emacs/site-lisp/ob-js hides
/usr/share/emacs/24.2/lisp/org/ob-js
/usr/local/share/emacs/site-lisp/ob-gnuplot hides
/usr/share/emacs/24.2/lisp/org/ob-gnuplot
/usr/local/share/emacs/site-lisp/org-remember hides
/usr/share/emacs/24.2/lisp/org/org-remember
/usr/local/share/emacs/site-lisp/org-protocol hides
/usr/share/emacs/24.2/lisp/org/org-protocol
/usr/local/share/emacs/site-lisp/ob-shen hides
/usr/share/emacs/24.2/lisp/org/ob-shen
/usr/local/share/emacs/site-lisp/org-macs hides
/usr/share/emacs/24.2/lisp/org/org-macs
/usr/local/share/emacs/site-lisp/ob-plantuml hides
/usr/share/emacs/24.2/lisp/org/ob-plantuml
/usr/local/share/emacs/site-lisp/org-exp hides
/usr/share/emacs/24.2/lisp/org/org-exp
/usr/local/share/emacs/site-lisp/ob-R hides /usr/share/emacs/24.2/lisp/org/ob-R
/usr/local/share/emacs/site-lisp/ob-sh hides
/usr/share/emacs/24.2/lisp/org/ob-sh
/usr/local/share/emacs/site-lisp/org-capture hides
/usr/share/emacs/24.2/lisp/org/org-capture
/usr/local/share/emacs/site-lisp/org-colview hides
/usr/share/emacs/24.2/lisp/org/org-colview
/usr/local/share/emacs/site-lisp/org-clock hides
/usr/share/emacs/24.2/lisp/org/org-clock
/usr/local/share/emacs/site-lisp/org-info hides
/usr/share/emacs/24.2/lisp/org/org-info
/usr/local/share/emacs/site-lisp/org-ascii hides
/usr/share/emacs/24.2/lisp/org/org-ascii
/usr/local/share/emacs/site-lisp/org-ctags hides
/usr/share/emacs/24.2/lisp/org/org-ctags
/usr/local/share/emacs/site-lisp/ob-maxima hides
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/usr/local/share/emacs/site-lisp/org-inlinetask hides
/usr/share/emacs/24.2/lisp/org/org-inlinetask
/usr/local/share/emacs/site-lisp/ob-emacs-lisp hides
/usr/share/emacs/24.2/lisp/org/ob-emacs-lisp
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/usr/local/share/emacs/site-lisp/org-faces hides
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/usr/local/share/emacs/site-lisp/ob-fortran hides
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/usr/local/share/emacs/site-lisp/ob-ruby hides
/usr/share/emacs/24.2/lisp/org/ob-ruby
/usr/local/share/emacs/site-lisp/ob-clojure hides
/usr/share/emacs/24.2/lisp/org/ob-clojure
/usr/local/share/emacs/site-lisp/org-w3m hides
/usr/share/emacs/24.2/lisp/org/org-w3m
/usr/local/share/emacs/site-lisp/ob-tangle hides
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/usr/local/share/emacs/site-lisp/ob-screen hides
/usr/share/emacs/24.2/lisp/org/ob-screen
/usr/local/share/emacs/site-lisp/ob-picolisp hides
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/usr/local/share/emacs/site-lisp/org-pcomplete hides
/usr/share/emacs/24.2/lisp/org/org-pcomplete
/usr/local/share/emacs/site-lisp/ob-css hides
/usr/share/emacs/24.2/lisp/org/ob-css
/usr/local/share/emacs/site-lisp/org-icalendar hides
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/usr/local/share/emacs/site-lisp/org-indent hides
/usr/share/emacs/24.2/lisp/org/org-indent
/usr/local/share/emacs/site-lisp/org-habit hides
/usr/share/emacs/24.2/lisp/org/org-habit
/usr/local/share/emacs/site-lisp/ob hides /usr/share/emacs/24.2/lisp/org/ob
/usr/local/share/emacs/site-lisp/ob-ledger hides
/usr/share/emacs/24.2/lisp/org/ob-ledger
/usr/local/share/emacs/site-lisp/org-html hides
/usr/share/emacs/24.2/lisp/org/org-html
/usr/local/share/emacs/site-lisp/ob-org hides
/usr/share/emacs/24.2/lisp/org/ob-org
/usr/local/share/emacs/site-lisp/ob-awk hides
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/usr/local/share/emacs/site-lisp/ob-lilypond hides
/usr/share/emacs/24.2/lisp/org/ob-lilypond
/usr/local/share/emacs/site-lisp/org-wl hides
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/usr/local/share/emacs/site-lisp/ob-lob hides
/usr/share/emacs/24.2/lisp/org/ob-lob
Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils pp em-unix pcomplete comint regexp-opt
ansi-color em-term term disp-table ehelp electric em-script em-prompt
em-ls em-hist em-pred em-glob em-dirs em-cmpl em-basic esh-opt em-banner
em-alias ring esh-var esh-io esh-cmd esh-ext esh-proc esh-arg eldoc
help-fns esh-groups eshell esh-module esh-mode esh-util time-date
tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar
dnd fontset image fringe lisp-mode register page menu-bar rfn-eshadow
timer select scroll-bar mouse jit-lock font-lock syntax facemenu
font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan
thai tai-viet lao korean japanese hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces
cus-face files text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget hashtable-print-readable backquote
make-network-process dbusbind dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)
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- bug#12689: 24.2; Eshell ${cmd} substitution,
Aidan Gauland <=