Date:Tue, 19 Mar 2019 08:25:50 -0400
From:Greg Wooledge
Message-ID: <20190319122550.khv5jp66iobjo...@eeg.ccf.org>
| Yes, just like here documents do. And have always done, in all shells.
That's not correct. There are shells that don't use files for here
docs.
On 3/19/19 4:21 AM, furrymc...@lippydanger.jumpingcrab.com wrote:
>
> Good morning,
>
> In GNU bash, version 5.0.2(1)-release (x86_64-pc-linux-gnu):
> The command cd "" is successful but cd -P "" fails.
> This is inconsistent and not evident in man bash.
> Expected is that cd "$(mktemp -d)" ret
On Tue 2019-03-19 08:25:50 -0400, Greg Wooledge wrote:
> On Mon, Mar 18, 2019 at 05:18:10PM -0400, Daniel Kahn Gillmor wrote:
>> strace -o tmp/bash.herestring.strace -f bash -c 'cat <<<"hello there"'
>> It turns out that this creates a temporary file, actually touching the
>> underlying filesys
On Tue, Mar 19, 2019 at 09:20:33AM -0400, Daniel Kahn Gillmor wrote:
> On Tue 2019-03-19 08:25:50 -0400, Greg Wooledge wrote:
> > On Mon, Mar 18, 2019 at 05:18:10PM -0400, Daniel Kahn Gillmor wrote:
> >> strace -o tmp/bash.herestring.strace -f bash -c 'cat <<<"hello there"'
> >> It turns out th
Thanks for the feedback, Eduardo--
On Mon 2019-03-18 17:40:17 -0700, Eduardo A. Bustamante López wrote:
> I don't think the implementation details of herestrings are documented
> anywhere,
> and I'm not too sure if they should (i.e. IMO if you need that degree of
> control
> over the implementat
On Mon 2019-03-18 17:18:10 -0400, Daniel Kahn Gillmor wrote:
> A few possible options for trying to improve the situation:
>
> a) use socketpair(2) or pipe(2) instead of making a tmpfile. this has
> the potential downside that the semantics of access to the remaining
> file descriptor wou
Good morning,
In GNU bash, version 5.0.2(1)-release (x86_64-pc-linux-gnu):
The command cd "" is successful but cd -P "" fails.
This is inconsistent and not evident in man bash.
Expected is that cd "$(mktemp -d)" returns error if mktemp fails.
BASH(1)
cd
...
The return value
On Mon, Mar 18, 2019 at 05:18:10PM -0400, Daniel Kahn Gillmor wrote:
> strace -o tmp/bash.herestring.strace -f bash -c 'cat <<<"hello there"'
> It turns out that this creates a temporary file, actually touching the
> underlying filesystem:
Yes, just like here documents do. And have always don
