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#!/usr/bin/perl

# Copyright 2001-2026, Paul Johnson (paul@pjcj.net)

# This software is free.  It is licensed under the same terms as Perl itself.

# The latest version of this software should be available from my homepage:
# https://pjcj.net

use strict;
use warnings;

my $Command = {
  strip_criterion => sub {
    my ($command, $criterion, $file) = @_;
    my $t;
    local ($^I, @ARGV) = (".bak", $file);
    while (<>) {
      $t = index($_, "$criterion   code") - 3 if !defined $t || $t < 0;
      substr $_, $t, 7, ""
        if /^line  err   stmt/ .. /^--------/
        and $t > -1
        and length > $t;
      print;
    }
  }
};

sub main {
  my ($command) = @ARGV;
  die "No such command: $command" unless $Command->{$command};
  $Command->{$command}->(@ARGV)
}

main