2009-06-15 11:52:51 +02:00
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#!/usr/local/bin/perl
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=head1 NAME
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dumpsql - dump output of an SQL query
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=head1 SYNOPSIS
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dumpsql
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query
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Connects to the database identified by the environment variable
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DBI_CREDENTIAL_FILE, executes the query given on the command line and
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prints the output to stdout.
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=cut
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use warnings;
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use strict;
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use DBI;
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use Getopt::Long;
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use Encode qw(:fallbacks encode);
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my $help;
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my $vertical; # use vertical output format
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my $escape; # escape non-printable characters
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my $xhtml; # produce XHTML output
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my $style; # produce XHTML output
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GetOptions(
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'help|?' => \$help,
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'vertical' => \$vertical,
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'xhtml' => \$xhtml,
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'escape' => \$escape,
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'style:s' => \$style,
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) || pod2usage(2);
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pod2usage(1) if $help;
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# read credits from file
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sub _read_cred {
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my ($fn) = @_;
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open(FN, "<$fn") or die "cannot open $fn: $!";
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my $line = <FN>;
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close(FN);
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2013-12-18 17:25:54 +01:00
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my @cred = split(/\s+/, $line);
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2009-06-15 11:52:51 +02:00
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return @cred;
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}
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my $dbh;
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sub dbiconnect {
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my $cred_file = $ENV{DBI_CREDENTIAL_FILE};
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if (! defined($cred_file)) {
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$cred_file = "$ENV{HOME}/.dbi/default";
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} elsif ($cred_file !~ m{/}) {
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$cred_file = "$ENV{HOME}/.dbi/$cred_file";
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}
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$dbh = DBI->connect(_read_cred($cred_file), {RaiseError => 1, AutoCommit => 0});
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return $dbh;
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}
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$dbh = dbiconnect();
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$dbh->{LongReadLen} = 0x1_0000;
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my $query = shift(@ARGV);
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my @args = @ARGV;
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my $sth = $dbh->prepare($query);
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$sth->execute(@args);
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if ($xhtml) {
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print qq{<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n};
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print qq{<html>\n};
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print qq{<head>\n};
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print qq{<title>}, xmlencode($query), qq{</title>\n};
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if ($style) {
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print qq{<link rel='stylesheet' type='text/css' href='},
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xmlencode($style),
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qq{'/>\n};
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}
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print qq{</head>\n};
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print qq{<head>\n};
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print qq{<body>\n};
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print qq{<h1>}, xmlencode($query), qq{</h1>\n};
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if (@args) {
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print qq{<ul>\n};
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for (@args) {
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print qq{<li>}, xmlencode($_), qq{</li>\n};
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}
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print qq{</ul>\n};
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}
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print qq{<table>\n};
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print qq{<tr>},
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(
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map {
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"<th>" . xmlencode($_) . "</th>"
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} @{$sth->{NAME}}
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),
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"</tr>\n";
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while (my @a = $sth->fetchrow_array()) {
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print qq{<tr>},
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(
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map {
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"<td>"
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. (defined($_) ? xmlencode($_) : '<em>NULL</em>')
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. "</td>"
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} @a
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),
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"</tr>\n";
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}
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print qq{</table>\n};
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print qq{</body>\n};
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print qq{</html>\n};
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} elsif ($vertical) {
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while (my @a = $sth->fetchrow_array()) {
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for my $i (0 .. $#a) {
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print $sth->{NAME}[$i], ": ";
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if ($escape) {
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if (defined($a[$i])) {
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print encode("us-ascii", $a[$i], FB_PERLQQ), "\n";
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} else {
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print "NULL\n";
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}
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} else {
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print "$a[$i]\n";
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}
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}
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print "\n";
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}
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} else {
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no warnings 'uninitialized';
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print join("\t", @{$sth->{NAME}}), "\n";
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while (my @a = $sth->fetchrow_array()) {
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print join("\t", @a), "\n";
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}
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}
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sub xmlencode {
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my ($s) = @_;
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return encode("us-ascii", $s, FB_XMLCREF);
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}
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