1 | <?php
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2 |
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3 | $us3bin = exec( "ls -d ~us3/lims/bin" );
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4 | $us3etc = exec( "ls -d ~us3/lims/etc" );
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5 | include_once "$us3bin/listen-config.php";
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6 |
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7 | // Get the US3 system release of latest file on download site
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8 | $s_cmd1 = "ssh us3@ultrascan.uthscsa.edu 'ls -t /srv/www/htdocs/ultrascan3/software/*4.0*";
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9 | $s_cmd1 = "$s_cmd1 | sed -n 1p | cut -d\- -f3" . "'";
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10 | $s_cmd2 = exec( $s_cmd1 );
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11 | $sysrev = $s_cmd2;
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12 |
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13 | // Global variables
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14 | $notice_db = "us3_notice";
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15 | $dbhost = "localhost";
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16 | $dbuser = "root";
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17 | $dbpassw = exec( "cat ~/.sec/.pwsq" );
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18 |
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19 | // Produce some output temporarily, so cron will send me message
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20 | $now = time();
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21 | echo "Time started: " . date( 'Y-m-d H:i:s', $now ) . "\n";
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22 |
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23 | // Read and parse the local notice file
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24 |
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25 | $n_fname = "$us3etc/us3-notice.xml";
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26 | $fh = fopen( $n_fname, "r" );
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27 | $xml = fread( $fh, filesize( $n_fname ) );
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28 |
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29 | $parser = new XMLReader();
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30 | $parser->xml( $xml );
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31 |
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32 | $notices = array();
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33 | $keys = array();
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34 |
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35 | echo "=====START of PARSE LOOP===== \n";
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36 | while( $parser->read() )
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37 | {
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38 | $n_type = $parser->nodeType;
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39 | //echo "n_type=$n_type \n";
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40 |
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41 | if ( $n_type == XMLReader::ELEMENT )
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42 | {
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43 | $name = $parser->name;
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44 | //echo "name=$name \n";
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45 |
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46 | if ( $name == "notice" )
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47 | {
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48 | $type = $parser->getAttribute( "type" );
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49 | //echo " type=$type \n";
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50 | $parser->moveToAttribute( "revision" );
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51 | $rev = $parser->value;
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52 | //echo " rev=$rev \n";
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53 | if ( $rev == "latest" )
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54 | $rev = $sysrev;
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55 | //echo " rev=$rev \n";
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56 |
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57 | $key = $type . $rev;
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58 | $notices[ $key ] = array();
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59 | //echo " key=$key \n";
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60 | }
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61 | }
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62 |
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63 | else if ( $n_type == XMLReader::TEXT )
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64 | {
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65 | $msg = $parser->readString();
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66 | //echo " msg=+++$msg+++ \n";
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67 | $len = strlen( $msg );
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68 |
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69 | if ( $len > 0 )
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70 | { // Only add if not an empty message
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71 | $msg = preg_replace( "/\@revision/", $rev, $msg );
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72 | $msg = preg_replace( "/'/", "\\'", $msg );
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73 | $notices[ $key ][ 'type' ] = $type;
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74 | $notices[ $key ][ 'rev' ] = $rev;
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75 | $notices[ $key ][ 'msg' ] = $msg;
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76 | $notices[ $key ][ 'act' ] = 'add';
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77 | $notices[ $key ][ 'id' ] = '0';
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78 |
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79 | $keys[] = $key;
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80 | }
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81 | }
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82 | }
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83 |
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84 | $parser->close();
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85 | echo "=====END of PARSE LOOP===== \n";
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86 |
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87 | // Get data from notice DB. Update the action field to
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88 | // reflect which action is required on each entry:
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89 | // "add" - is only present in file (add to DB);
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90 | // "del" - is only present in DB (delete from DB);
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91 | // "upd" - present in both, but messages differ (update in DB);
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92 | // "none" - present in both and messages identical (no DB update).
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93 |
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94 | $noteLink = mysql_connect( $dbhost, $dbuser, $dbpassw );
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95 |
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96 | if ( ! mysql_select_db( $notice_db, $noteLink ) )
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97 | {
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98 | echo "Could not select DB $notice_db - " . mysql_error() . "\n";
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99 | exit();
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100 | }
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101 |
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102 | $query = "SELECT id, type, revision, message FROM notice";
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103 |
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104 | $result = mysql_query( $query, $noteLink )
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105 | or die( "Query failed : $query<br />" . mysql_error() );
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106 |
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107 | echo "=====START of DB QUERY LOOP===== \n";
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108 | $num_rows = mysql_num_rows( $result );
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109 |
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110 | echo " numrows = $num_rows \n";
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111 | while ( list( $id, $type, $rev, $msg ) = mysql_fetch_array( $result ) )
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112 | {
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113 | $key = $type . $rev;
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114 |
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115 | if ( in_array( $key, $keys ) )
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116 | { // Entry is in both file and DB
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117 | $msgf = $notices[ $key ][ 'msg' ];
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118 | $notices[ $key ][ 'id' ] = $id;
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119 | $notices[ $key ][ 'type' ] = $type;
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120 | $notices[ $key ][ 'rev' ] = $rev;
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121 |
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122 | if ( strcmp( $msg, $msgf ) == 0 )
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123 | { // Messages match, so no update is needed
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124 | $notices[ $key ][ 'act' ] = 'none';
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125 | }
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126 | else
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127 | { // Messages differ, so DB entry must be updated
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128 | $notices[ $key ][ 'act' ] = 'upd';
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129 | $notices[ $key ][ 'msg' ] = $msgf;
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130 | echo " msg = ++$msg++\n";
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131 | echo " msgf = ++$msgf++\n";
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132 | }
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133 | }
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134 |
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135 | else
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136 | { // Entry is only in DB, so a delete is needed
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137 | $notices[ $key ] = array();
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138 | $notices[ $key ][ 'id' ] = $id;
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139 | $notices[ $key ][ 'type' ] = $type;
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140 | $notices[ $key ][ 'rev' ] = $rev;
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141 | $notices[ $key ][ 'act' ] = 'del';
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142 | $notices[ $key ][ 'msg' ] = $msg;
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143 | $keys[] = $key;
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144 | }
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145 | }
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146 | echo "=====END of DB QUERY LOOP===== \n";
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147 |
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148 | echo "=====START of DB Update LOOP===== \n";
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149 | foreach ( $keys as $key )
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150 | {
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151 | $type = $notices[ $key ][ 'type' ];
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152 | $rev = $notices[ $key ][ 'rev' ];
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153 | $act = $notices[ $key ][ 'act' ];
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154 | $id = $notices[ $key ][ 'id' ];
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155 | $msg = $notices[ $key ][ 'msg' ];
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156 | $len = strlen( $msg );
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157 | echo "-- key=$key --\n";
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158 | echo " type: $type \n";
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159 | echo " rev: $rev \n";
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160 | echo " act: $act \n";
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161 | echo " id: $id \n";
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162 | // echo " msg: $msg \n";
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163 | echo " msg: ( $len characters ) \n";
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164 |
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165 | if ( $act == "add" )
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166 | { // Must add the entry to the database
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167 | $query = "INSERT INTO notice " .
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168 | "SET type='$type', revision='$rev', message='$msg'";
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169 | }
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170 | else if ( $act == "del" )
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171 | { // Must delete the entry from the database
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172 | $query = "DELETE FROM notice WHERE id='$id'";
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173 | }
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174 | else if ( $act == "upd" )
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175 | { // Must update an existing entry in the database
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176 | $query = "UPDATE notice " .
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177 | "SET message='$msg' " .
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178 | "WHERE id='$id'";
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179 | }
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180 | echo " query: [ $query ] \n";
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181 |
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182 | $result = mysql_query( $query, $noteLink )
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183 | or die( "Query failed : $query<br />" . mysql_error() );
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184 |
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185 | }
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186 | echo "=====END of DB Update LOOP===== \n";
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187 |
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188 | ?>
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