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111
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1 -- CE3602A.ADA
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2
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 -- OBJECTIVE:
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26 -- CHECK THAT GET FOR CHARACTERS AND STRINGS ALLOW A STRING TO SPAN
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27 -- OVER MORE THAN ONE LINE, SKIPPING INTERVENING LINE AND PAGE
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28 -- TERMINATORS. ALSO CHECK THAT GET ACCEPTS A NULL STRING ACTUAL
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29 -- PARAMETER AND A STRING SLICE.
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30
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31 -- APPLICABILITY CRITERIA:
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32 -- THIS TEST IS APPLICABLE ONLY TO IMPLEMENTATIONS WHICH SUPPORT
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33 -- TEXT FILES.
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34
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35 -- HISTORY:
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36 -- SPS 08/30/82
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37 -- VKG 01/26/83
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38 -- JBG 02/22/84 CHANGED TO .ADA TEST
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39 -- RJW 11/04/86 REVISED TEST TO OUTPUT A NOT_APPLICABLE
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40 -- RESULT WHEN FILES ARE NOT SUPPORTED.
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41 -- JLH 09/04/87 REMOVED DEPENDENCE ON RESET, CORRECTED EXCEPTION
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42 -- HANDLING, AND ADDED NEW CASES FOR OBJECTIVE.
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43
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44
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45 WITH REPORT;
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46 USE REPORT;
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47 WITH TEXT_IO;
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48 USE TEXT_IO;
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49
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50 PROCEDURE CE3602A IS
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51 INCOMPLETE : EXCEPTION;
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52
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53 BEGIN
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54
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55 TEST ("CE3602A", "CHECK THAT GET FOR CHARACTERS AND STRINGS " &
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56 "ALLOWS A STRING TO SPAN OVER MORE THAN ONE " &
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57 "LINE, SKIPPING INTERVENING LINE AND PAGE " &
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58 "TERMINATORS. ALSO CHECK THAT GET ACCEPTS " &
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59 "A NULL STRING ACTUAL PARAMETER AND A STRING " &
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60 "SLICE");
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61
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62 DECLARE
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63 FILE1 : FILE_TYPE;
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64 ST : STRING (1 .. 40);
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65 STR: STRING (1 .. 100);
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66 NST: STRING (1 .. 0);
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67 ORIGINAL_LINE_LENGTH : COUNT;
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68
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69 -- READ_CHARS RETURNS A STRING OF N CHARACTERS FROM A GIVEN FILE.
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70
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71 FUNCTION READ_CHARS (FILE : FILE_TYPE;
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72 N : NATURAL )
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73 RETURN STRING IS
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74 C: CHARACTER;
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75 BEGIN
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76 IF N = 0 THEN RETURN "";
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77 ELSE
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78 GET (FILE,C);
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79 RETURN C&READ_CHARS (FILE,N-1);
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80 END IF;
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81 EXCEPTION
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82 WHEN OTHERS =>
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83 FAILED ("ERROR ON READ_CHARS");
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84 END READ_CHARS;
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85
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86
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87 BEGIN
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88
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89 -- CREATE AND INITIALIZE TEST DATA FILE
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90
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91 BEGIN
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92 CREATE (FILE1, OUT_FILE, LEGAL_FILE_NAME);
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93 EXCEPTION
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94 WHEN USE_ERROR =>
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95 NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT CREATE " &
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96 "WITH OUT_FILE MODE");
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97 RAISE INCOMPLETE;
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98 WHEN NAME_ERROR =>
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99 NOT_APPLICABLE ("NAME_ERROR RAISED ON TEXT " &
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100 "CREATE WITH OUT_FILE MODE");
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101 RAISE INCOMPLETE;
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102 WHEN OTHERS =>
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103 FAILED ("UNEXPECTED EXCEPTION RAISED ON " &
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104 "TEXT CREATE");
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105 RAISE INCOMPLETE;
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106 END;
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107
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108 ORIGINAL_LINE_LENGTH := LINE_LENGTH;
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109
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110 -- LINE_LENGTH SET IN CASE IMPLEMENTATION REQUIRES BOUNDED LENGTH LINES
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111
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112 SET_LINE_LENGTH (16);
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113 PUT (FILE1, "THIS LINE SHALL ");
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114 SET_LINE_LENGTH (10);
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115 PUT (FILE1, "SPAN OVER ");
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116 SET_LINE_LENGTH (14);
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117 PUT (FILE1, "SEVERAL LINES.");
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118 CLOSE (FILE1);
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119 SET_LINE_LENGTH (ORIGINAL_LINE_LENGTH);
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120
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121
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122 -- BEGIN TEST
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123
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124 BEGIN
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125
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126 BEGIN
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127 OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
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128 EXCEPTION
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129 WHEN USE_ERROR =>
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130 NOT_APPLICABLE ("USE_ERROR RAISED ON TEXT " &
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131 "OPEN WITH IN_FILE MODE - 1");
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132 RAISE INCOMPLETE;
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133 END;
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134
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135 STR(1..40) := READ_CHARS (FILE1, 40);
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136 CLOSE (FILE1);
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137
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138 OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
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139
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140 GET (FILE1, ST);
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141 IF STR(1..40) /= ST THEN
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142 FAILED ("GET FOR STRING INCORRECT");
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143 END IF;
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144
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145 IF STR(1..40) /= "THIS LINE SHALL SPAN OVER SEVERAL " &
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146 "LINES." THEN
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147 FAILED ("INCORRECT VALUE READ");
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148 END IF;
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149
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150 -- GET NULL STRING
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151
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152 CLOSE (FILE1);
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153
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154 OPEN (FILE1, IN_FILE, LEGAL_FILE_NAME);
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155
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156 BEGIN
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157 GET (FILE1, NST);
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158 EXCEPTION
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159 WHEN OTHERS =>
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160 FAILED (" GET FAILED ON NULL STRING");
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161 END;
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162
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163 -- GET NULL SLICE
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164
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165 BEGIN
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166 GET (FILE1, STR (10 .. 1));
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167 EXCEPTION
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168 WHEN OTHERS =>
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169 FAILED ("GET FAILED ON A NULL SLICE");
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170 END;
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171
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172 BEGIN
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173 DELETE (FILE1);
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174 EXCEPTION
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175 WHEN USE_ERROR =>
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176 NULL;
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177 END;
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178
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179 END;
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180
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181 EXCEPTION
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182 WHEN INCOMPLETE =>
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183 NULL;
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184
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185 END;
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186
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187 RESULT;
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188
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189 END CE3602A;
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