find_8bit

   1 #!/usr/bin/env perl
   2
   3 #=======================================================================
   4 # find_8bit
   5 # File ID: 292fa714-5d3a-11df-83e3-90e6ba3022ac
   6 #
   7 # Lister ut linjer med 8-bits tegn
   8 #
   9 # Character set: UTF-8
  10 # ©opyleft STDyearDTS– Øyvind A. Holm <sunny@sunbase.org>
  11 # License: GNU General Public License version 2 or later, see end of
  12 # file for legal stuff.
  13 #=======================================================================
  14
  15 use strict;
  16 use warnings;
  17 use Getopt::Long;
  18
  19 local $| = 1;
  20
  21 our %Opt = (
  22
  23     'help' => 0,
  24     'quiet' => 0,
  25     'verbose' => 0,
  26     'version' => 0,
  27
  28 );
  29
  30 our $progname = $0;
  31 $progname =~ s/^.*\/(.*?)$/$1/;
  32 our $VERSION = '0.1.0';
  33
  34 Getopt::Long::Configure('bundling');
  35 GetOptions(
  36
  37     'help|h' => \$Opt{'help'},
  38     'quiet|q+' => \$Opt{'quiet'},
  39     'verbose|v+' => \$Opt{'verbose'},
  40     'version' => \$Opt{'version'},
  41
  42 ) || die("$progname: Option error. Use -h for help.\n");
  43
  44 $Opt{'verbose'} -= $Opt{'quiet'};
  45 $Opt{'help'} && usage(0);
  46 if ($Opt{'version'}) {
  47     print_version();
  48     exit(0);
  49 }
  50
  51 exit(main());
  52
  53 sub main {
  54     # {{{
  55     my $Retval = 0;
  56
  57     while (<>) {
  58         /[\x80-\xFF]/ && print;
  59     }
  60
  61     return $Retval;
  62     # }}}
  63 } # main()
  64
  65 sub print_version {
  66     # Print program version {{{
  67     print("$progname $VERSION\n");
  68     return;
  69     # }}}
  70 } # print_version()
  71
  72 sub usage {
  73     # Send the help message to stdout {{{
  74     my $Retval = shift;
  75
  76     if ($Opt{'verbose'}) {
  77         print("\n");
  78         print_version();
  79     }
  80     print(<<"END");
  81
  82 Usage: $progname [options] [file [files [...]]]
  83
  84 Options:
  85
  86   -h, --help
  87     Show this help.
  88   -q, --quiet
  89     Be more quiet. Can be repeated to increase silence.
  90   -v, --verbose
  91     Increase level of verbosity. Can be repeated.
  92   --version
  93     Print version information.
  94
  95 END
  96     exit($Retval);
  97     # }}}
  98 } # usage()
  99
 100 sub msg {
 101     # Print a status message to stderr based on verbosity level {{{
 102     my ($verbose_level, $Txt) = @_;
 103
 104     if ($Opt{'verbose'} >= $verbose_level) {
 105         print(STDERR "$progname: $Txt\n");
 106     }
 107     return;
 108     # }}}
 109 } # msg()
 110
 111 __END__
 112
 113 # This program is free software; you can redistribute it and/or modify
 114 # it under the terms of the GNU General Public License as published by
 115 # the Free Software Foundation; either version 2 of the License, or (at
 116 # your option) any later version.
 117 #
 118 # This program is distributed in the hope that it will be useful, but
 119 # WITHOUT ANY WARRANTY; without even the implied warranty of
 120 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 121 # See the GNU General Public License for more details.
 122 #
 123 # You should have received a copy of the GNU General Public License
 124 # along with this program.
 125 # If not, see L<http://www.gnu.org/licenses/>.
 126
 127 # vim: set fenc=UTF-8 ft=perl fdm=marker ts=4 sw=4 sts=4 et fo+=w :