pgsafe

   1 #!/usr/bin/env perl
   2
   3 #=======================================================================
   4 # $Id$
   5 # [Description]
   6 #
   7 # Character set: UTF-8
   8 # ©opyleft 2006– Øyvind A. Holm <sunny@sunbase.org>
   9 # License: GNU General Public License, see end of file for legal stuff.
  10 #=======================================================================
  11
  12 use strict;
  13 use warnings;
  14 use Getopt::Long;
  15
  16 $| = 1;
  17
  18 our $Debug = 0;
  19
  20 our %Opt = (
  21     'debug' => 0,
  22     'help' => 0,
  23     'simple' => 0,
  24     'version' => 0,
  25 );
  26
  27 our $progname = $0;
  28 $progname =~ s#^.*/(.*?)$#$1#;
  29
  30 my $rcs_id = '$Id$';
  31 my $id_date = $rcs_id;
  32 $id_date =~ s/^.*?\d+ (\d\d\d\d-.*?\d\d:\d\d:\d\d\S+).*/$1/;
  33
  34 Getopt::Long::Configure("bundling");
  35 GetOptions(
  36     "debug" => \$Opt{'debug'},
  37     "help|h" => \$Opt{'help'},
  38     "simple|s" => \$Opt{'simple'},
  39     "version" => \$Opt{'version'},
  40 ) || die("$progname: Option error. Use -h for help.\n");
  41
  42 $Opt{'debug'} && ($Debug = 1);
  43 $Opt{'help'} && usage(0);
  44 $Opt{'version'} && print_version();
  45
  46 while (<>) {
  47     print(postgresql_copy_safe($_));
  48 }
  49
  50 sub postgresql_copy_safe {
  51     # {{{
  52     my $Str = shift;
  53     $Str =~ s/\\/\\\\/gs;
  54     if (!$Opt{'simple'}) {
  55         $Str =~ s/\n/\\n/gs;
  56         $Str =~ s/\r/\\r/gs;
  57         $Str =~ s/\t/\\t/gs;
  58     }
  59     return($Str);
  60     # }}}
  61 } # postgresql_copy_safe()
  62
  63 sub print_version {
  64     # Print program version {{{
  65     print("$rcs_id\n");
  66     exit(0);
  67     # }}}
  68 } # print_version()
  69
  70 sub usage {
  71     # Send the help message to stdout {{{
  72     my $Retval = shift;
  73
  74     print(<<END);
  75
  76 $rcs_id
  77
  78 Usage: $progname [options] [file [files [...]]]
  79
  80 Options:
  81
  82   -h, --help
  83     Show this help.
  84   -s, --simple
  85     Don’t convert \\n, \\r or \\t, only backslashes.
  86   --version
  87     Print version information.
  88   --debug
  89     Print debugging messages.
  90
  91 END
  92     exit($Retval);
  93     # }}}
  94 } # usage()
  95
  96 sub D {
  97     # Print a debugging message {{{
  98     $Debug || return;
  99     my @call_info = caller;
 100     chomp(my $Txt = shift);
 101     my $File = $call_info[1];
 102     $File =~ s#\\#/#g;
 103     $File =~ s#^.*/(.*?)$#$1#;
 104     print(STDERR "$File:$call_info[2] $$ $Txt\n");
 105     return("");
 106     # }}}
 107 } # D()
 108
 109 __END__
 110
 111 # Plain Old Documentation (POD) {{{
 112
 113 =pod
 114
 115 =head1 NAME
 116
 117
 118
 119 =head1 REVISION
 120
 121 $Id$
 122
 123 =head1 SYNOPSIS
 124
 125  [options] [file [files [...]]]
 126
 127 =head1 DESCRIPTION
 128
 129
 130
 131 =head1 OPTIONS
 132
 133 =over 4
 134
 135 =item B<-h>, B<--help>
 136
 137 Print a brief help summary.
 138
 139 =item B<--version>
 140
 141 Print version information.
 142
 143 =item B<--debug>
 144
 145 Print debugging messages.
 146
 147 =back
 148
 149 =head1 BUGS
 150
 151
 152
 153 =head1 AUTHOR
 154
 155 Made by Øyvind A. Holm S<E<lt>sunny@sunbase.orgE<gt>>.
 156
 157 =head1 COPYRIGHT
 158
 159 Copyleft © Øyvind A. Holm &lt;sunny@sunbase.org&gt;
 160 This is free software; see the file F<COPYING> for legalese stuff.
 161
 162 =head1 LICENCE
 163
 164 This program is free software; you can redistribute it and/or modify it
 165 under the terms of the GNU General Public License as published by the
 166 Free Software Foundation; either version 2 of the License, or (at your
 167 option) any later version.
 168
 169 This program is distributed in the hope that it will be useful, but
 170 WITHOUT ANY WARRANTY; without even the implied warranty of
 171 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 172 See the GNU General Public License for more details.
 173
 174 You should have received a copy of the GNU General Public License along
 175 with this program; if not, write to the Free Software Foundation, Inc.,
 176 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 177
 178 =head1 SEE ALSO
 179
 180 =cut
 181
 182 # }}}
 183
 184 # vim: set fenc=UTF-8 ft=perl fdm=marker ts=4 sw=4 sts=4 et fo+=w :
 185 # End of file $Id$