/usr/share/perl5/Catmandu/Fix/substring.pm is in libcatmandu-perl 1.0700-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | package Catmandu::Fix::substring;
use Catmandu::Sane;
our $VERSION = '1.07';
use Moo;
use namespace::clean;
use Catmandu::Fix::Has;
has path => (fix_arg => 1);
has args => (fix_arg => 'collect');
with 'Catmandu::Fix::SimpleGetValue';
sub emit_value {
my ($self, $var, $fixer) = @_;
my $args = $self->args;
my $str_args = @$args > 1 ? join(", ", @$args[0, 1]) : $args->[0];
if (@$args < 3) {
return
"eval { ${var} = substr(as_utf8(${var}), ${str_args}) } if is_value(${var});";
}
my $replace = $fixer->emit_string($args->[2]);
"if (is_value(${var})) {"
. "utf8::upgrade(${var});"
. "eval { substr(${var}, ${str_args}) = ${replace} };" . "}";
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::substring - extract a substring out of the value of a field
=head1 SYNOPSIS
# Extract a substring out of the value of a field
# - Extact from 'initials' the characters at offset 0 (first character) with a length 3
substring(initials, 0, 3)
=head1 SEE ALSO
L<Catmandu::Fix>, substr
=cut
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