diff options
author | Marc Espie <espie@cvs.openbsd.org> | 2004-10-18 12:03:20 +0000 |
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committer | Marc Espie <espie@cvs.openbsd.org> | 2004-10-18 12:03:20 +0000 |
commit | 9acb3663dd9bf13246e1f7fd6d36595a892eed86 (patch) | |
tree | b2cb445e0b329d853ed41442330887229ba0930b /usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm | |
parent | 9c10a02986ca6b3bda219977b3a262958764080a (diff) |
experimental progress meter.
not active unless you specify -x for pkg_add/pkg_delete.
(option is bound to change)
Diffstat (limited to 'usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm')
-rw-r--r-- | usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm b/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm new file mode 100644 index 00000000000..24461fe2cee --- /dev/null +++ b/usr.sbin/pkg_add/OpenBSD/ProgressMeter.pm @@ -0,0 +1,83 @@ +# ex:ts=8 sw=4: +# $OpenBSD: ProgressMeter.pm,v 1.1 2004/10/18 12:03:19 espie Exp $ +# +# Copyright (c) 2004 Marc Espie <espie@openbsd.org> +# +# Permission to use, copy, modify, and distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# + +use strict; +use warnings; + +package OpenBSD::ProgressMeter; + +my $header; +my $lastdisplay = ''; +my $isatty; +my $enabled = 0; + +# unless we know better +my $width = 80; +my $playfield; + +sub enable +{ + $enabled = 1; +} + +sub set_header +{ + $header = shift; + if (!$enabled) { + $isatty = 0; + } else { + if (!defined $isatty) { + $isatty = -t STDERR; + } + } + if ($isatty) { + # compute playfield + $playfield = $width - length($header) - 10; + if ($playfield > 40) { + $playfield = 40; + } + } + return $isatty; +} + +sub show +{ + my ($current, $total) = @_; + return unless $isatty; + + my $stars = ($current * $playfield) / $total; + my $percent = int (($current * 100)/$total + 0.5); + my $d = "$header|".'*'x$stars.' 'x($playfield-$stars)."| ".$percent."\%"; + return if $d eq $lastdisplay; + $lastdisplay=$d; + print STDERR $d, "\r"; +} + +sub clear +{ + return unless $isatty; + print STDERR ' 'x length($lastdisplay), "\r"; +} + +sub next +{ + return unless $isatty; + clear; + print STDERR"$header: complete\n"; +} + +1; |