Good day seminarians. I have a script that processes a number of large JSON files and I would like to have a bar to track progress for each file. I've tried to implement one, as shown here on a pseudo-version of my code (to avoid distractions) like so: 
use strict;
use feature ':5.10';
use Term::ProgressBar;
my @files = qw(30 50);
foreach my $f (@files) {
    my $max = $f;
    my $progress = Term::ProgressBar->new({name => 'Processed', count 
+=> $max, remove => 1, ETA => 'linear'});
    $progress->max_update_rate(1);
    $progress->minor(0);
    my $next_update = 0;
    foreach my $i (0..$max) {
        sleep 1; # represents stuff my script is actually processing
        $next_update = $progress->update($_) if $_ >= $next_update;
    }
    $progress->update($max) if $max >= $next_update;
}

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Instead of filenames the script actually uses I've just given it a couple of counts for the inner loop. In place of the actual processing done on the file contents I've included a sleep.

I'm doing something wrong because the progress bar advances one step and that's it until it completes. To be honest the example code given in the module docs is a little hard for me to follow. I don't understand what is setting $_ so maybe I'm not doing something with that that I shouldbe doing.

Can anyone say what I'm doing wrong?

In reply to Term::ProgressBar won't update by cormanaz

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