It looks like the fix may be as simple as replacing the single "fread" with
"ufread" - I'm testing it now.
Though "ufread.ijs" is available on the J Wiki, it does not appear to be
part of the standard distribution.
On 6/30/08, Devon McCormick <[EMAIL PROTECTED]> wrote:
>
> Members of the Forum -
>
> I just tracked down a bug in "fixargs.ijs" whereby it failed to fully
> convert all my old code from using the "y." to "y" etc. argument convention.
>
> The function "fixarg" seems to fail silently for any file with double-byte
> characters in it. My subject line refers to (one place) where the problem
> cropped up: I have some code converted from APL in which I've retained the
> old APL code as comments. Once again, that lovely character set causes
> problems.
>
> The root cause appears to be in the regular expression code which
> apparently doesn't play well with the double-byte characters. It fails to
> match the target string if there's such a character anywhere in the source
> string.
>
> Here's a short example of the problem:
>
> load 'regex'
> ]str=. a.{~67 104 97 114 97 99 116 101 114 32 133 32 110 117 109 98 101
> 114
> Character ? number
>
> 'er' rxmatches str NB. No result though there should be two matches.
> 'er' rxmatch str
> _1 0
>
> NB. But if we replace one (double-byte flag) character by a space:
> 'er' rxmatches (' ') 10}str
> 7 2
>
> 16 2
>
> The good fix for this - removing the offending characters, fixing the code,
> then replacing the removed characters - appears complicated by the fact that
> the (initial) replacement in "fixarg" - the line "y=. ((sx;,2);x) rxrplc y"
> - changes the length of the string. It's probably OK to remove but
> not replace these characters but I'm not exactly sure how to identify them.
>
> Any ideas?
>
> Thanks,
>
> Devon
>
> --
> Devon McCormick, CFA
> ^me^ at acm.
> org is my
> preferred e-mail
>
--
Devon McCormick, CFA
^me^ at acm.
org is my
preferred e-mail
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