Your message dated Thu, 7 Dec 2006 14:55:18 +0000
with message-id <[EMAIL PROTECTED]>
and subject line Bug#401481: dash: builtin echo does not behave like /bin/echo
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--- Begin Message ---
Package: dash
Version: 0.5.3-3
Severity: normal
The builtin echo command always interprets backslash escape sequences,
whereas /bin/echo only interprets them when given the "-e" option.
This causes some problems for some scripts,
e.g. /etc/cron.daily/exim-base when it tries to use echo to send mail to
root, as it calls "echo -e" to include newlines. However, since dash's
builtin echo doesn't understand the "-e" option and instead outputs it,
it causes messed up mails to be sent.
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'stable'), (101, 'experimental')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/dash
Kernel: Linux 2.6.16.9
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages dash depends on:
ii libc6 2.3.6.ds1-7 GNU C Library: Shared libraries
dash recommends no packages.
-- debconf information:
dash/sh: false
--- End Message ---
--- Begin Message ---
Hi Hubert,
On Sun, Dec 03, 2006 at 06:11:10PM -0500, Hubert Chan wrote:
> The builtin echo command always interprets backslash escape sequences,
> whereas /bin/echo only interprets them when given the "-e" option.
correct, dash follows the standard here, /bin/echo does not
http://www.opengroup.org/onlinepubs/009695399/utilities/echo.html
> This causes some problems for some scripts,
> e.g. /etc/cron.daily/exim-base when it tries to use echo to send mail to
> root, as it calls "echo -e" to include newlines. However, since dash's
> builtin echo doesn't understand the "-e" option and instead outputs it,
> it causes messed up mails to be sent.
To avoid such problems with different echo implementations the printf(1)
program or builtin should be used instead.
HTH, Gerrit.
--- End Message ---
