SOURCES: myclear.pl (NEW) - http://jetmore.org/john/code/myclear

[pawelz]

Author: pawelz                       Date: Sun Feb 22 22:22:13 2009 GMT
Module: SOURCES                       Tag: HEAD
---- Log message:
- http://jetmore.org/john/code/myclear

---- Files affected:
SOURCES:
   myclear.pl (NONE -> 1.1)  (NEW)

---- Diffs:

================================================================
Index: SOURCES/myclear.pl
diff -u /dev/null SOURCES/myclear.pl:1.1
--- /dev/null	Sun Feb 22 23:22:14 2009
+++ SOURCES/myclear.pl	Sun Feb 22 23:22:08 2009
@@ -0,0 +1,102 @@
+#!/usr/bin/perl
+
+use strict;
+use POSIX;
+use Term::Cap;
+
+my($p_name)   = $0 =~ m|/?([^/]+)$|;
+my $p_version = "20030322.0";
+my $p_usage   = "Usage: $p_name [--help] [--version]";
+my $p_cp      = <<EOM;
+Copyright (c) 2003
+      John Jetmore <jj33\@pobox.com>.  All rights reserved.
+This code freely redistributable provided my name and this copyright notice
+are not removed.  Send email to the contact address if you use this program.
+EOM
+ext_usage();
+
+$| = 1;
+my $termios = POSIX::Termios->new();
+   $termios->getattr;
+my $tcap    = Term::Cap->Tgetent ({TERM=>undef,OSPEED=>$termios->getospeed()});
+   $tcap->Trequire(qw(cl cm cd));
+my $mr      = get_dim($tcap);
+    
+$tcap->Tputs('cl', 1, *STDOUT);             # clear screen
+$tcap->Tgoto('cm', 0, $mr, *STDOUT);        # place cursor at (0,$maxrow)
+$tcap->Tputs('cd', 1, *STDOUT);             # clear to end
+
+exit;
+
+sub get_dim {
+  my $t = shift; # termcap ent - fallback method
+  my $r = 24;
+
+  if (try_load("Term::ReadKey")) {
+    $r = (Term::ReadKey::GetTerminalSize())[1];
+  } else {
+    $r = $tcap->{_li};
+  }
+  return($r - 1);
+}
+
+sub try_load {
+  my $mod = shift;
+
+  eval("use $mod");
+
+  if ($@) {
+    return(0);
+  } else {
+    return(1);
+  }
+}
+
+sub ext_usage {
+  if ($ARGV[0] =~ /^--help$/i) {
+    require Config;
+    $ENV{PATH} .= ":" unless $ENV{PATH} eq "";
+    $ENV{PATH} = "$ENV{PATH}$Config::Config{'installscript'}";
+    exec("perldoc", "-F", "-U", $0) || exit 1;
+    # make parser happy
+    %Config::Config = ();
+  } elsif ($ARGV[0] =~ /^--version$/i) {
+    print "$p_name version $p_version\n\n$p_cp\n";
+  } else {
+    return;
+  }
+
+  exit(0);
+}
+
+__END__
+
+=head1 NAME
+
+myclear - Clear to bottom of terminal
+
+=head1 USAGE
+
+myclear [--help|--version]
+
+=head1 OPTIONS
+
+=over 4
+
+=item --help
+
+This screen.
+
+=item --version
+
+version info.
+
+=back
+
+=head1 COMMENTS
+
+Isn't it so much nicer having the prompt at the bottom?
+
+=head1 CONTACT
+
+=item proj-myclear at jetmore.net
================================================================