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Re: [Help-bash] Readline when using “<<”? Is it recent?
From: |
Chet Ramey |
Subject: |
Re: [Help-bash] Readline when using “<<”? Is it recent? |
Date: |
Wed, 31 Jan 2018 09:41:29 -0500 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 1/31/18 8:21 AM, Garreau, Alexandre wrote:
> Hi,
>
> Recently I noticed that when I typed text after “<<”, I could delete
> text, go back with arrow keys, or with emacs-like keystrokes, use M-u,
> M-l, etc. Yet I think I can remember a time where when using “<<” you
> couldn’t go back and any attempt to del would result in printing a
> control sequence that would need to do Ctrl+C and redo everything again
> with “<<” (also including its whole stdin text in the history)>
> Was readline support added for this recently? or was it possible to
> enable/disable and disabled until recently in Debian? or maybe some
> other corner case that made me miss it until now?
It's been this way for a very long time. The idea is that the here-document
lines come from whatever input source is current. If that's an interactive
shell, with readline enabled, they come from readline.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU address@hidden http://tiswww.cwru.edu/~chet/