Paul Jamieson Fenwick > Acme-ButFirst > Acme::ButFirst

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NAME ^

Acme::ButFirst - Do something, but first do something else.

SYNOPSIS ^

        use Acme::ButFirst;

        # Print a greeting, but first find caffiene.

        {
                print "Good morning!\n";
        } but first {
                print "I need a coffee\n";
        }

        # Count from 1 to 10, but first print a statement
        # about our counting skills.

        foreach my $count (1..10) {
                print "$count\n";
        } but first {
                print "I can count to...";
        }

        # Print our lines, but first reverse them, but first convert
        # them into upper case.

        while (<>) {
                print;
        } butfirst {
                $_ = reverse $_;
        } butfirst {
                $_ = uc $_;
        }

DESCRIPTION ^

Acme::ButFirst allows you to execute a block of code, but first do something else. Perfect for when you wish to add to the start of a long block of code, but don't have the energy to scroll upwards in your editor.

Acme::ButFirst recognises both butfirst and but first as keywords.

Usage of Acme::ButFirst is lexically scoped. ButFirstification can be explicitly disabled by using no Acme::ButFirst.

SEE ALSO ^

http://lists.slug.org.au/archives/slug/2005/09/msg00346.html

Acme::Dont::t, Acme::ComeFrom, Acme::Goto::Line

BUGS ^

Any use of this module should be considered a bug.

Strings in the form of " { work } but first { coffee } " may sometimes be incorrectly munged.

AUTHOR ^

Paul Fenwick <pjf@cpan.org>

COPYRIGHT AND LICENSE ^

Copyright (C) 2005 by Paul Fenwick

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.7 or, at your option, any later version of Perl 5 you may have available.

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