Re: parent trap EXIT appears to subshell but is not used

2021-03-29 Thread Oğuz
29 Mart 2021 Pazartesi tarihinde Robert Elz yazdı: > Date:Mon, 29 Mar 2021 17:31:23 +0200 > From:Valentin Lab > Message-ID: <604a4dab-afc5-cd5e-ee80-64d3dfb2e...@kalysto.org> > > > | In 4.3, this makes sense to me. EXIT trap is not available and not > executed. >

Re: Default PS1

2021-03-29 Thread L A Walsh
On 2021/03/29 14:39, Greg Wooledge wrote: On Mon, Mar 29, 2021 at 01:49:41PM -0700, L A Walsh wrote: Or, what do you mean by 'default'? Is it sufficient to set it in the system /etc/profile so it is the default for all users when logging in? Sadly, that won't work. There are plenty

Re: Default PS1

2021-03-29 Thread Greg Wooledge
On Mon, Mar 29, 2021 at 07:25:53PM -0700, L A Walsh wrote: > On 2021/03/29 14:39, Greg Wooledge wrote: > > On Mon, Mar 29, 2021 at 01:49:41PM -0700, L A Walsh wrote: > > > Or, what do you mean by 'default'? Is it sufficient > > > to set it in the system /etc/profile so it is the default > > > for

Re: Default PS1

2021-03-29 Thread Christopher Dimech
In your .bashrc you can do PS1='My-linux-distro $\n' - Christopher Dimech General Administrator - Naiad Informatics - GNU Project (Geocomputation) - Geophysical Simulation - Geological Subsurface Mapping - Disaster Preparedness and Mitigation - Natural Resource Exploration

Re: Changing the way bash expands associative array subscripts

2021-03-29 Thread Marco Ippolito
> Examples are more for the texinfo documentation; the man page is big > enough already. What goes in the man page Vs in the texinfo documentation, please?

Re: zsh style associative array assignment bug

2021-03-29 Thread Eric Cook
On 3/29/21 5:18 PM, Chet Ramey wrote: If you look at a=( k1 v1 k2 v2 k3 v3) as more or less syntactic sugar for a=( [k1]=v1 [k2]=v2 [k3]=v3 ) it's reasonable that a=( k1 v1 k2 ) is equivalent to a=( [k1]=v1 [k2]= ). And that's what bash does. Its just when populating that array

Re: Default PS1

2021-03-29 Thread Greg Wooledge
On Mon, Mar 29, 2021 at 01:49:41PM -0700, L A Walsh wrote: > Or, what do you mean by 'default'? Is it sufficient > to set it in the system /etc/profile so it is the default > for all users when logging in? Sadly, that won't work. There are plenty of *extremely* common paths from power-on to

Re: zsh style associative array assignment bug

2021-03-29 Thread Chet Ramey
On 3/27/21 5:02 PM, Eric Cook wrote: Hey, When doing an assignment with an uneven number of elements bash currently silently treat the last element as a key and assigns it an empty string. $ typeset -A ary=(this feature came from zsh); typeset -p ary declare -A ary=([came]="from"

Re: zsh style associative array assignment bug

2021-03-29 Thread L A Walsh
On 2021/03/28 11:02, Eric Cook wrote: On 3/28/21 7:02 AM, Oğuz wrote: As it should be. `[bar]' doesn't qualify as an assignment without an equals sign, the shell thinks you're mixing two forms of associative array assignment there. In the new form, that a key is listed inside a compound

Re: Default PS1

2021-03-29 Thread L A Walsh
On 2021/03/29 04:04, ილია ჩაჩანიძე wrote: How can I set default PS1 variable from source code? --- What do you mean "from source code?" E.g I want it to display: My-linux-distro $ And not: Bash-5.1 $ --- Does the procedure documented in the bash man page not work? Or, what do you

Re: parent trap EXIT appears to subshell but is not used

2021-03-29 Thread Robert Elz
Date:Mon, 29 Mar 2021 17:31:23 +0200 From:Valentin Lab Message-ID: <604a4dab-afc5-cd5e-ee80-64d3dfb2e...@kalysto.org> | In 4.3, this makes sense to me. EXIT trap is not available and not executed. | | In >4.3, I don't understand: 'trap -p' is displaying a trap

Re: Redirection between assignment statement and command name prevents alias substitution

2021-03-29 Thread Chet Ramey
On 3/25/21 2:00 AM, Oğuz wrote: I'm not sure why you want or need that, aliases are dumb (bizarre) and shoukd be deleted... I keep trying to get tge POSIX people to remove them from the standard. They keep ignoring me. Shells won't drop support, but at least no-one woukd be able to rely on

Re: why does this define bla() instead of respect the newline as command separator

2021-03-29 Thread Chet Ramey
On 3/29/21 12:04 PM, Alex fxmbsw7 Ratchev wrote: case statements are imho string comparision, nothing to do with aliases "'The question is,' said Humpty Dumpty, 'which is to be master — that’s all.'" -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa,

parent trap EXIT appears to subshell but is not used

2021-03-29 Thread Oğuz
29 Mart 2021 Pazartesi tarihinde Valentin Lab yazdı: > Hi, > > I have encountered an issue when running some bash code from 4.3 that > behave in an unexpected way on 4.4 or 5 ... I've managed to pinpoint the > exact issue on my end. > > Here is the code: > > > ## > trap -- 'echo

Re: why does this define bla() instead of respect the newline as command separator

2021-03-29 Thread Alex fxmbsw7 Ratchev
case statements are imho string comparision, nothing to do with aliases On Mon, Mar 29, 2021, 17:23 Chet Ramey wrote: > On 3/19/21 10:59 AM, Oğuz wrote: > > > Not much related, but isn't this supposed to work? > > > > $ cat foo.sh > > alias c='case ' w='foo ' i='in ' p=') ' e='esac' u='uname '

parent trap EXIT appears to subshell but is not used

2021-03-29 Thread Valentin Lab
Hi, I have encountered an issue when running some bash code from 4.3 that behave in an unexpected way on 4.4 or 5 ... I've managed to pinpoint the exact issue on my end. Here is the code: ## trap -- 'echo bar' EXIT ( echo -n 'Subshell TRAP EXIT: ' trap -p EXIT echo )

Re: why does this define bla() instead of respect the newline as command separator

2021-03-29 Thread Chet Ramey
On 3/19/21 10:59 AM, Oğuz wrote: Not much related, but isn't this supposed to work? $ cat foo.sh alias c='case ' w='foo ' i='in ' p=') ' e='esac' u='uname ' s='; ' c w i e Bash is pretty careful not to perform alias expansion in case statement pattern lists, even to the point where that

Re: Changing the way bash expands associative array subscripts

2021-03-29 Thread Chet Ramey
On 3/15/21 9:41 PM, Koichi Murase wrote: 2021年3月16日(火) 8:12 Chet Ramey : key='x],b[$(echo uname >&2)' (( assoc[$key]++ )) [...] declare -A assoc=(["x],b[\$(echo uname >&2)"]="1" ) I agree with this change. I think the same rule should apply also to the indexed arrays in the arithmetic

Re: Changing the way bash expands associative array subscripts

2021-03-29 Thread Chet Ramey
On 3/16/21 8:34 AM, Greg Wooledge wrote: I would not complain if unset became a shell keyword I'm not considering this. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRUc...@case.edu

Re: Changing the way bash expands associative array subscripts

2021-03-29 Thread Chet Ramey
On 3/15/21 9:03 PM, Léa Gris wrote: zsh also provide a nice feature to iterate both keys and values in a single loop: for key value in "${(kv)assoc_array}"; do     printf '%s -> %s\n' "$key" "$value" done I don't have any current interest in implementing the zsh mini-language for expansion

Re: Changing the way bash expands associative array subscripts

2021-03-29 Thread Chet Ramey
On 3/15/21 8:32 PM, L A Walsh wrote:    That said, I'd want to see those examples in the manpage. FWIW -- I seem to remember that the manpage could use some more simple examples in a few places. Examples are more for the texinfo documentation; the man page is big enough already. -- ``The

Re: about the local not-on-every-function-separately var issue

2021-03-29 Thread Chet Ramey
On 3/22/21 9:38 PM, Dale R. Worley wrote: In my experience, a common reason is that the documentation does not concentrate in one place that users are certain to read, a complete, clear description of the situation. For instance, you give a complete, clear description: Bash uses "dynamic

Re: Default PS1

2021-03-29 Thread Greg Wooledge
On Mon, Mar 29, 2021 at 01:42:10PM +0100, Chris Elvidge wrote: > On 29/03/2021 12:04 pm, ილია ჩაჩანიძე wrote: > > How can I set default PS1 variable from source code? > > E.g I want it to display: > > My-linux-distro $ > > And not: > > Bash-5.1 $ > > > > Set it in $HOME/.bashrc Given that the

Re: Default PS1

2021-03-29 Thread Chris Elvidge
On 29/03/2021 12:04 pm, ილია ჩაჩანიძე wrote: How can I set default PS1 variable from source code? E.g I want it to display: My-linux-distro $ And not: Bash-5.1 $ Set it in $HOME/.bashrc -- Chris Elvidge England

Default PS1

2021-03-29 Thread ილია ჩაჩანიძე
How can I set default PS1 variable from source code? E.g I want it to display: My-linux-distro $ And not: Bash-5.1 $

Re: zsh style associative array assignment bug

2021-03-29 Thread Ilkka Virta
On Mon, Mar 29, 2021 at 1:56 AM Greg Wooledge wrote: > Python is different: > > >>> y = ["a", "b", "c", "d"] > >>> dict(zip(y[::2], y[1::2])) > {'a': 'b', 'c': 'd'} > >>> x = ["a", "b", "c"] > >>> dict(zip(x[::2], x[1::2])) > {'a': 'b'} > > It seems to discard the last (unmatched) value. Also,

Re: zsh style associative array assignment bug

2021-03-29 Thread Andreas Schwab
On Mär 28 2021, Greg Wooledge wrote: > Python is different: > y = ["a", "b", "c", "d"] dict(zip(y[::2], y[1::2])) > {'a': 'b', 'c': 'd'} x = ["a", "b", "c"] dict(zip(x[::2], x[1::2])) > {'a': 'b'} > > It seems to discard the last (unmatched) value. >>>