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While inspecting some dash scripts on my system, I was surprised to
see that some of them use an open parenthesis at the beginning of case
patterns while that's not mentioned in the manpage. Dash currently is
fine with and without that parenthesis (parser.c:413). The attached
patch documents this feature.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename sh to dash in the header and synopsis; remove reference to the
4.4 BSD release in the description, and replace the history information
with a reference to NetBSD's ash.
Suggested by jaalto through
http://bugs.debian.org/499838
Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Sven Mascheck reported that we no longer accept the non-standard
for {} syntax but the manual page still refers to it. This patch
removes that reference.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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In section Redirection the following text misses a left brace:
where redir-op is one of the redirection operators mentioned previously.
Following is a list of the possible redirections. The [n] is an optional
number, as in \u20183\u2019 (not \u2018[3]\u2019, that refers to a file descriptor.
Reported by Jörg Sommer through
http://bugs.debian.org/481365
Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for the -l option (login shell) as required
by the LSB.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The dash(1) in Debian stable does not support "set +o" in the manner
specified by SUSv3:
|+o
| Write the current option settings to standard output in a format
| that is suitable for reinput to the shell as commands that
| achieve the same options settings.
(citation from
http://www.opengroup.org/onlinepubs/009695399/utilities/set.html)
Instead, dash's "set +o" prints the shell's options in a
human-readable format.
Here is a simple test program that exercises this feature; it works as
I believe is required under bash, but not under dash.
# Save the shell's options
set +o > /tmp/settings-commands
set -o | sort > /tmp/settings-before
# Change some options.
set -v
set -f
set -x
set +o emacs
set -o vi
# Try to restore our options.
. /tmp/settings-commands
set -o | sort > /tmp/settings-after
# Compare.
diff /tmp/settings-before /tmp/settings-after
I believe the following small patch adds this feature to dash, and
documents it in the manual page:
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Document that in a for loop 'in word ...' is optional, and if omitted,
'in "$@"' is used.
Lars Wilke noticed this, and reported through
http://bugs.debian.org/387441
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Have the man page explicitely state how the test builtin behaves on
-nt and -ot options if file2 does not exist. The case where file1
does not exist was already documented properly.
This was noticed by Sven Mueller and reported through
http://bugs.debian.org/373611
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This change updates the BSD licence to the three-clause version since
NetBSD has already done so. This makes dash GPL-compatible.
It also adds Christos Zoulas (NetBSD ash maintainer) to the COPYING file.
I've added "copyright by Herbert Xu" to most files.
Finally all CVS IDs and inclusion of sys/cdefs.h have been removed.
The latter is needed for support of klibc.
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