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devel / comp.unix.shell / [ksh] Expanding variables interactively in vi edit mode

[ksh] Expanding variables interactively in vi edit mode

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https://news.novabbs.org/devel/article-flat.php?id=6537&group=comp.unix.shell#6537

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From: janis_papanagnou+ng@hotmail.com (Janis Papanagnou)
Newsgroups: comp.unix.shell
Subject: [ksh] Expanding variables interactively in vi edit mode
Date: Sat, 5 Aug 2023 13:59:19 +0200
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by: Janis Papanagnou - Sat, 5 Aug 2023 11:59 UTC

In ksh I expand entities with <Tab> and/or in vi command editing mode
with <Esc>* .

In the presence of files "AAA BBB" and "AAA CCC" the effect with <Tab>
completion after typing A<Tab> AAA\ (i.e. terminated by an escaped
blank because of the ambiguity after "AAA "). If I <Esc>* instead I
get AAA\ BBB AAA\ CCC, as expected, both blanks correctly escaped.

With x="AAA BBB" and expanding $x or "$x or "$x" with <Esc>* the blanks
don't get escaped. Similar with, say, calling
pdfreader some\ doc.pdf
and subsequently trying to expand "$_"; I have to manually quote the
argument or escape the space(s). (Which is of course cumbersome.)

My question is, is there a point in the observed behavior or should
that be changed/fixed? (I tried it with ksh93u+ and ksh93u+m alpha.)

Janis

Subject	Author
[ksh] Expanding variables interactively in vi edit mode	Janis Papanagnou