ga-pwd

   1 #!/usr/bin/env perl
   2
   3 #=======================================================================
   4 # ga-pwd
   5 # File ID: b213e514-0d5f-11e6-9cac-fefdb24f8e10
   6 #
   7 # Print name of current directory with user name and/or tilde
   8 #
   9 # Character set: UTF-8
  10 # ©opyleft 2016– 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 use Cwd 'abs_path';
  19
  20 local $| = 1;
  21
  22 our %Opt = (
  23
  24     'help' => 0,
  25     'hostname' => 0,
  26     'quiet' => 0,
  27     'username' => 0,
  28     'verbose' => 0,
  29     'version' => 0,
  30
  31 );
  32
  33 our $progname = $0;
  34 $progname =~ s/^.*\/(.*?)$/$1/;
  35 our $VERSION = '0.2.0';
  36
  37 Getopt::Long::Configure('bundling');
  38 GetOptions(
  39
  40     'help|h' => \$Opt{'help'},
  41     'hostname|H' => \$Opt{'hostname'},
  42     'quiet|q+' => \$Opt{'quiet'},
  43     'username|u' => \$Opt{'username'},
  44     'verbose|v+' => \$Opt{'verbose'},
  45     'version' => \$Opt{'version'},
  46
  47 ) || die("$progname: Option error. Use -h for help.\n");
  48
  49 $Opt{'verbose'} -= $Opt{'quiet'};
  50 $Opt{'help'} && usage(0);
  51 if ($Opt{'version'}) {
  52     print_version();
  53     exit(0);
  54 }
  55
  56 exit(main());
  57
  58 sub main {
  59     # {{{
  60     my $Retval = 0;
  61     my $abs_path = abs_path('.');
  62     my $home_path = abs_path($ENV{'HOME'});
  63     my $outpath = $abs_path;
  64
  65     if ($Opt{'username'}) {
  66         print(getpwuid($<) . '@');
  67         $outpath =~ s/^$home_path/~/;
  68     }
  69     chomp(my $hostname = `hostname`);
  70     if ($abs_path =~ /^\/media\//) {
  71         $Opt{'hostname'} && print($hostname . ':');
  72         printf("%s\n", $abs_path);
  73         return $Retval;
  74     }
  75     print("$hostname:$outpath\n");
  76
  77     return $Retval;
  78     # }}}
  79 } # main()
  80
  81 sub print_version {
  82     # Print program version {{{
  83     print("$progname $VERSION\n");
  84     return;
  85     # }}}
  86 } # print_version()
  87
  88 sub usage {
  89     # Send the help message to stdout {{{
  90     my $Retval = shift;
  91
  92     if ($Opt{'verbose'}) {
  93         print("\n");
  94         print_version();
  95     }
  96     print(<<"END");
  97
  98 Print path of current directory, using the format "host:pwd". Use the
  99 "physical" directory location, ignore parent symlinks.
 100
 101 If the current directory is below \$HOME and -u/--username is specified,
 102 replace the first part with '~'.
 103
 104 If the current directory is below /media/, don't print username or
 105 hostname by default.
 106
 107 Usage: $progname [options]
 108
 109 Options:
 110
 111   -H, --hostname
 112     Include hostname in output even under "/media/".
 113   -h, --help
 114     Show this help.
 115   -q, --quiet
 116     Be more quiet. Can be repeated to increase silence.
 117   -u, --username
 118     Include local user name in output.
 119   -v, --verbose
 120     Increase level of verbosity. Can be repeated.
 121   --version
 122     Print version information.
 123
 124 END
 125     exit($Retval);
 126     # }}}
 127 } # usage()
 128
 129 sub msg {
 130     # Print a status message to stderr based on verbosity level {{{
 131     my ($verbose_level, $Txt) = @_;
 132
 133     if ($Opt{'verbose'} >= $verbose_level) {
 134         print(STDERR "$progname: $Txt\n");
 135     }
 136     return;
 137     # }}}
 138 } # msg()
 139
 140 __END__
 141
 142 # This program is free software; you can redistribute it and/or modify
 143 # it under the terms of the GNU General Public License as published by
 144 # the Free Software Foundation; either version 2 of the License, or (at
 145 # your option) any later version.
 146 #
 147 # This program is distributed in the hope that it will be useful, but
 148 # WITHOUT ANY WARRANTY; without even the implied warranty of
 149 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 150 # See the GNU General Public License for more details.
 151 #
 152 # You should have received a copy of the GNU General Public License
 153 # along with this program.
 154 # If not, see L<http://www.gnu.org/licenses/>.
 155
 156 # vim: set fenc=UTF-8 ft=perl fdm=marker ts=4 sw=4 sts=4 et fo+=w :