John Brock
[EMAIL PROTECTED]
On Fri, Feb 17, 2006 at 07:05:19PM -0500, Philip Ganchev wrote:
> ---------- Forwarded message ----------
> From: Axel Liljencrantz <[EMAIL PROTECTED]>
> Date: Feb 17, 2006 11:30 AM
>
> Hmmm, did you intend for this mail to be on-list? If so, feel free to
> forward this reply to the list as well...
> On 2/9/06, Philip Ganchev <[EMAIL PROTECTED]> wrote:
> > Allowing "foo |; bar" is bad because it complicates the rule for
> > ending statements: a statement ends at a newline or semicolon EXCEPT
> > if the preceding token is a pipe.
> >
> > A better option is to have an escape character (backslash), as
> > Netocrat suggested earlier:
> >
> > for h in (cat /etc/dupload.conf $HOME/.dupload.conf ^/dev/null \
> > | awk -F "=" '/('\''fqdn'\''| *fqdn *=)/ {print $2}' \
> > | cut -d"'" -f2 \
> > | cut -d'"' -f2)
> > set hosts $hosts $h
> > end
> >
> > In this way, semicolon (;) and newline mean the same thing, and
> > strange expressions like "foo |; bar" are avoided. Axel originally
> > objected (and I replied):
> I dislike this because it is impossible to tell if a newline is
> escaped or if one is escaping a space character. Though I've thought
> about this for a bit and have come to the conclusion that this is an
> editor issue. An editor could, if it wanted to, differentiatte between
> the two, for example by highlighting the backslashed newline using a
> different background color.
>
> I guess an otherwise rather sane syntax should not be punished because
> editors are stupid.
Personally I like "\" as a line continuation character. It's syntax
that a lot of people are familiar and comfortable with. So why
not just make it the rule that fish discards all whitespace at the
end of a line (unless you are inside a quote or something)? Then
"\" as the last non-whitespace character in a line always means
line continuation, and you never have to worry that it might instead
be escaping a space character. (Does leading whitespace ever matter
in fish? Then why should trailing whitespace?)
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