I have the CPAN Modules Inline::Files and Inline::Awk, and am using Strawberry Perl 5.18.1001. I copied the simplest of the sample programs from the Inline::Awk page and attempted to run it: 
#!C:\strawberry\perl\bin\perl.exe

use strict;
use warnings;
use Inline:: Files;
use Inline::AWK;

awk(); 
    
__END__
__AWK__
    
BEGIN { print "Hello, world!" }

[download]
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However I get the error message:
Undefined subroutine &main::awk called at test_awk.pl

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I looked for "Undefined subroutine" threads in Perl Monks and tried some of the alternate syntax suggestions, however I get the same error after trying each of these:
a) Change "awk" function call line to -- Inline::AWK::awk();
b) Change "use" line to -- use Inline::AWK qw(awk);

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The strawberry folder holding the Awk.pm file is: C:\strawberry\perl\site\lib\Inline
Is it possible that Inline::Awk works with regular Perl, but Inline::Awk fails when using Strawberry Perl?

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My version of Strawberry Perl (5.18.1001) has a2p.pod but lacks a2p.exe.

When I removed "use strict" and "use warnings", and used "use Inline AWK;", I get the error message:

" 'a2p' is not recognized as an internal or external command, operable program or batch file."

(Removal of "use strict" is necessary, otherwise when including "use Inline AWK;" AWK is called a "bareword" and the program fails.)

Is it the case that the only remedy is to find some later version of Strawberry Perl that re-introduces a2p.exe? I can find no CPAN module that might be used to re-introduce a2p.

The Inline AWK CPAN module assumes that a2p is available.

In reply to Undefined subroutine error when using CPAN module Inline::AWK by Amphiaraus

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