$opt{'graph-format'} = substr $_[1], 0, 1;
},
'spark:s' => sub {
- $opt{spark} = [split //, $_[1] || '������▂▃▄▅▆▇█'];
+ $opt{spark} = [split //, $_[1] || '▁▂▃▄▅▆▇█'];
},
'stat|s!',
+ 'signal-stat=s',
'unmodified|u!',
'width|w=i',
'usage|h' => sub {
$opt{anchor} //= qr/\A/;
$opt{'value-length'} = 6 if $opt{units};
$opt{'value-length'} = 1 if $opt{unmodified};
+$opt{'signal-stat'} //= exists $SIG{INFO} ? 'INFO' : 'QUIT';
my (@lines, @values, @order);
+$SIG{$_} = \&show_stat for $opt{'signal-stat'} || ();
$SIG{ALRM} = sub {
show_lines();
alarm $opt{interval} if defined $opt{interval} and $opt{interval} > 0;
};
+$SIG{INT} = \&show_exit;
if (defined $opt{interval}) {
$opt{interval} ||= 1;
} or warn $@, "Expect slowdown with large datasets!\n";
}
-$SIG{INT} = sub {
- $SIG{INT} = 'DEFAULT'; # reset for subsequent attempts
- exit if !$.;
- 'IGNORE' # continue after assumed eof
-};
-
my $valmatch = qr/$opt{anchor} ( \h* -? [0-9]* \.? [0-9]+ (?: e[+-]?[0-9]+ )? |)/x;
while (readline) {
s/\r?\n\z//;
say '' if $opt{spark};
}
-show_lines();
-if ($opt{stat}) {
+sub show_stat {
if ($opt{hidemin} or $opt{hidemax}) {
$opt{hidemin} ||= 1;
$opt{hidemax} ||= @lines;
say '';
}
+sub show_exit {
+ show_lines();
+ show_stat() if $opt{stat};
+ exit 130 if @_; # 0x80+signo
+ exit;
+}
+
+show_exit();
+
__END__
=encoding utf8
=back
+=item --spark
+
+Replace lines by I<sparklines>,
+single characters corresponding to input values.
+
=item -s, --stat
Total statistics after all data.