WITNESS for yourselves as the quotes invade the parameters, absconding
with the ones at the edges, when close enough.
$ cat 201012contract
#!/bin/sh -eux
set a b c d e f
: ''$@''
: ' '$@' '
: ''$*''
: '' $* ''
: $*
$ ./201012contract
+ set a b c d e f
+ : a b c d e f
+ : '
jens.schmid...@arcor.de wrote:
For an empty $@ this does not throw an unbound error, which seems to be
an inconsistent behaviour to me.
-u Treat unset variables as an error when substituting.
I think the behaviour is consistent with the documentation.
--
Be conservative in what you do,
jida...@jidanni.org wrote:
$ cat 201012contract
#!/bin/sh -eux
set a b c d e f
: ''$@''
: ' '$@' '
: ''$*''
: '' $* ''
: $*
$ ./201012contract
+ set a b c d e f
+ : a b c d e f
+ : ' a' b c d e 'f '
+ : 'a' b c d e 'f'
+ : '' a b c d e f ''
+ : ' a' b c d
JS == Jan Schampera jan.schamp...@web.de writes:
JS I'd say this is expected (and by the way it's not only on set -x).
I see. The spaces indeed get glued to the sides. OK, see ya next time.
Joerg Boehmer wrote:
The value of variable ar[1] is expanded to 0 although it was not set.
The full syntax produces the expected behavior:
The value of y is 0, since you operate in arithmetic context. This is
fine. But I definitely agree it should bail out here.
--
Be conservative in what
On 12/17/10 4:48 AM, jens.schmid...@arcor.de wrote:
Bash Version: 4.1
Patch Level: 0
Release Status: release
Description:
Referencing empty array with set -u active throws unbound variable error.
Repeat-By:
$ set -u
$ declare -a array
$ array=( )
$ echo ${arr...@]}
Well anyway, it would be 'no skin off of bash's back' if it just
reported what it was given.
If it was given
' 'a b c
it should report
' 'a b c
and not just 'assume' we prefer
' a' b c
or
' a' 'b' 'c'
etc.
Just as legitimate and doesn't cause calls in the middle of the night
from the old
On 12/17/10 12:24 PM, Bill Duncan, 416-697-9315 wrote:
I'm writing a script with a command line interpreter and I can most things
working (eg. history etc.) except for one thing. The filename completion
works well for some of the commands, but I'd like to use other completion
options for
On 12/18/2010 09:22 AM, 12bric wrote:
Bash 4-1 manual indicates
- The operators and their precedence, associativity, and values are
the same as in the C language (pp. 27).
- the precedence of - and + operators is different then the precedence
of ! and ~.
But in the book C a
On 12/18/10 11:22 AM, 12bric wrote:
Bash 4-1 manual indicates
- The operators and their precedence, associativity, and values are
the same as in the C language (pp. 27).
- the precedence of - and + operators is different then the precedence
of ! and ~.
But in the book C a
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