I'm using Text::Template this way

file data.var

fields: value pos
template: mytemplate_french.tmpl mytemplate_german.tmpl
value: the value of pos
pos: 3
[download]

File mytemplate_french.tmpl

C'est un exemple: {$value} est {$pos}
[download]

and the code, calls with code.pl data.var

use strict;
use Text::Template;
use Config::YAML::Tiny;
my @files = map glob($_), @ARGV;
my $usage = <<EOF;
    usage: $0 *.var
    usage: $0 un.var deux.var ...
EOF
die $usage unless @files;

foreach my $f (@files) {
    my $config = Config::YAML::Tiny->new( config => $f );
    my @template_files = split( / /, $config->get_template );
    foreach my $tf (@template_files) {
        my @fields = split( / /, $config->get_fields );
  
        my $template = Text::Template->new(
            TYPE   => 'FILE',
            SOURCE => $tf,
            ',
        ) or die "Couldn't construct template: $Text::Template::ERROR"
+;

        my %data;
        for my $f (@fields) {
            $data{$f} = $config->{$f};

        }
        my $result = $template->fill_in( HASH => \%data);
        # mytemplate_french.tmpl -> mytemplate_french.txt
        $tf=~s/\.tmpl//;
        open( my $out_file, ">$tf.txt" );

        if ( defined $result ) {
            print $out_file $result;
            print "$tf.txt\n";
        }
        else {
            print $Text::Template::ERROR;
        }
        close $out_file;
    }
}
[download]

I would try to catch error in the template where a variable name is misspelled ($ops instead of $pos) and I tried

...
my @fields = split( / /, $config->get_fields );
my @vars = map {'$' . $_} @fields;
my $str_var = join(" ", @vars);

my $template = Text::Template->new(
    TYPE   => 'FILE',
    SOURCE => $tf,
    PREPEND => 'use strict;
            use vars eval($str_var);
        ',
   ) or die "Couldn't construct template: $Text::Template::ERROR";
[download]

But this does not work since eval is not run in my main package.

This work:

my $template = Text::Template->new(
    TYPE   => 'FILE',
    SOURCE => $tf,
    PREPEND => 'use strict;
            use vars qw($value $pos);
        ',
[download]

But I would like to have something more flexible, since my var files won't have alway the same variable/field names.

Is that possible ?

Thanks

F.

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