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package Devscripts::Output;
use strict;
use Exporter 'import';
use File::Basename;
use constant accept => qr/^y(?:es)?\s*$/i;
use constant refuse => qr/^n(?:o)?\s*$/i;
our @EXPORT = (
qw(ds_debug ds_verbose ds_warn ds_error
ds_die ds_msg who_called $progname $verbose
ds_prompt accept refuse $ds_yes)
);
# ACCESSORS
our ($verbose, $die_on_error, $ds_yes) = (0, 1, 0);
our $progname = basename($0);
sub printwarn {
my ($msg, $w) = @_;
chomp $msg;
if ($w) {
print STDERR "$msg\n";
} else {
print "$msg\n";
}
}
sub ds_msg($) {
my $msg = $_[0];
printwarn "$progname: $msg";
}
sub ds_verbose($) {
my $msg = $_[0];
if ($verbose > 0) {
printwarn "$progname info: $msg";
}
}
sub who_called {
return '' unless ($verbose > 1);
my @out = caller(1);
return " [$out[0]: $out[2]]";
}
sub ds_warn ($) {
my $msg = $_[0];
printwarn("$progname warn: $msg" . who_called, 1);
}
sub ds_debug($) {
my $msg = $_[0];
printwarn "$progname debug: $msg" if $verbose > 1;
}
*ds_die = \&ds_error;
sub ds_error($) {
my $msg = $_[0];
$msg = "$progname error $msg" . who_called;
if ($die_on_error) {
print STDERR "$msg\n";
exit 1;
}
printwarn($msg, 1);
}
sub ds_prompt {
return 'yes' if ($ds_yes > 0);
print STDERR shift;
my $s = <STDIN>;
chomp $s;
return $s;
}
1;
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