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2014-08-28

how-to modify perl @INC relatively to the executing script during compile time

#!/usr/bin/perl -wT
package isg_pub::load ;
   use strict ; use warnings ; use diagnostics;
 
   $|++;
 
   require Exporter ;
   our @ISA = qw(Exporter);
   our %EXPORT_TAGS = ( 'all' => [ qw() ] );
   our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
   our @EXPORT = qw() ;
   our $AUTOLOAD =();
 
   use utf8 ;
   use Carp ;
   use Cwd qw ( abs_path ) ;
 
   foreach (sort keys %ENV) {
      print "$_  =  $ENV{$_}\n";
   }
 
   BEGIN {
      $ENV{'PERL5LIB'} = '' ;
      my $my_inc_path = abs_path( $0 );
 
      $my_inc_path =~ m/^(.*)(\\|\/)(.*?)(\\|\/)(.*)/;
      $my_inc_path = $1;
      push ( @INC , "$my_inc_path" ) ;
      push ( @INC , "$my_inc_path/lib" ) ;
      $ENV{'PERL5LIB'} .= "$my_inc_path" ;
      $ENV{'PERL5LIB'} .= ":$my_inc_path" ;
   }
# ... some code ...
1;
 
__END__

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