# New Ticket Created by Schwenn, Peter
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Designation: Non-Finmeccanica
Dear Perl6'rs
[In short: no variation of $x ~~ s/...(...)../....$0..../; seems to work
(to substitute any capture).]
I am using 2014.3 Star's MSI to build a production translator (updating about
500 C# source files to be compatible with new libraries).
I had looked forward to often using, as I have over 25 years using Perl, the
stereotypically Perl form (in its Perl6 form) s///;
Apparently because of perl6 restrictions on non-interpolating implicit quoting
in the xxxx portion of s//xxxx/; (or some bug or oversight) one can no longer
freely use $0, $1, in that replacement portion of s///;
I've fallen back on such as:
$line .= subst(/ (\w+) \s+ (\w+) /, :g, {$1~" "~$0} );
(substituting, say "bar foo" for "foo bar" in $line)
where I would like to use some variation of the simpler and elegant
$line ~~ s:g/ (\w+) \s+ (\w+) /$1 $0/;
I have tried, using current S05 as a reference and for explicit suggestions,
many variations of s///; without any luck.
Is there a workable one such variation?
(It would seem a shame if this stereotypic workhorse of Perl could no longer be
used for substitution - no matter how many wondrous new ways there are to use
the xxxx in s//xxxx/;)
Looking forward to more production use of Perl6, fast or not,
Thank you,
Peter Schwenn
Senior Naval Architect/Software Developer
Advanced Marine Technology Center
Maritime and Combat Support Systems Group
DRS Technologies, Inc.
160 Sallitt Drive, Suite 200, Stevensville, MD 21666
Tel: 410.604.8007 Fax: 410.643.5370
pschw...@drs-ds.com<mailto:pschw...@drs-ds.com>
www.drs-ds.com<http://www.drs-ds.com/>
www.orca3d.com<http://www.orca3d.com/>
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3.3.042312
