Hi David,
> > awk 'length($0) == 0 && e == 1 { next }
> > { e = length($0) == 0 }
> > { print }'
>
> results in:
> awk: syntax error near line 2
> awk: illegal statement near line 2
>
> > Oh, line 1. `awk --posix' here suggests length would like parenthesis.
> >
> > awk '!length() && e {next} {e = !length()} 1'
>
> That didn't help, "awk: syntax error near line 1".
Sigh. Could it be Solaris is *so* old and crufty it has `oawk' in place
as the default awk? Does it have a `nawk' for new awk, IOW the one
matching _The Awk Programming Language_ by Aho, Weinberger, and
Kernighan, 1988? Some 25 years ago?
Apparently, /usr/xpg4/bin/awk is POSIX compliant. Can build and test
instructions for nmh on Solaris not state /usr/xpg4/bin needs to be up
the front of PATH?
> > I wonder if `diff -b' is the wrong approach as it's applying the -b
> > to the whole file.
>
> That's OK. mhfixmsg uses an external program to present html, so the
> output can have arbitrary spacing. I want to ignore that in the test.
Yep, but that's just on the one line of formatted HTML output; the -b
is causing diff to ignore any other changes introduced elsewhere. :-)
Might not matter, I agree.
Cheers, Ralph.
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