1 //-------------------------------------------------------------------------
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3 // This file contains some DataFlex 3.2 Console Mode functions
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4 // to provide extended date manipulation capabilities.
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6 // This file is to be included in df32func.mk
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8 // Copyright (c) 2006-2009, glyn@8kb.co.uk
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10 // df32func/date.inc
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11 //-------------------------------------------------------------------------
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13 //-------------------------------------------------------------------------
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15 //-------------------------------------------------------------------------
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17 // Returns day of the week as an integer score 1 = monday 7 = sunday
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18 function get_day_score global date argv returns integer
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19 local integer l_01tmpInt
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21 calc (mod(argv,7)) to l_01tmpInt
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22 if (l_01tmpInt < 0) calc (l_01tmpInt+7) to l_01tmpInt
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25 case (l_01tmpInt = 3) move 1 to l_01tmpInt
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27 case (l_01tmpInt = 4) move 2 to l_01tmpInt
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29 case (l_01tmpInt = 5) move 3 to l_01tmpInt
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31 case (l_01tmpInt = 6) move 4 to l_01tmpInt
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33 case (l_01tmpInt = 0) move 5 to l_01tmpInt
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35 case (l_01tmpInt = 1) move 6 to l_01tmpInt
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37 case (l_01tmpInt = 2) move 7 to l_01tmpInt
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41 function_return l_01tmpInt
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44 // Returns the current day as a string from the date
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45 function get_day global date argv returns string
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46 local integer l_iDay
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49 move (get_day_score(argv)) to l_iDay
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52 case (l_iDay = 1) move "Monday" to l_sDay
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54 case (l_iDay = 2) move "Tuesday" to l_sDay
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56 case (l_iDay = 3) move "Wednesday" to l_sDay
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58 case (l_iDay = 4) move "Thursday" to l_sDay
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60 case (l_iDay = 5) move "Friday" to l_sDay
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62 case (l_iDay = 6) move "Saturday" to l_sDay
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64 case (l_iDay = 7) move "Sunday" to l_sDay
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68 function_return l_sDay
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71 // Returns the current month as a string from the date
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72 function get_month global date argv returns string
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73 local integer l_iMonth
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74 local string l_sMonth
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76 calc ((integer(mid(argv, 2, 4)))-1) to l_iMonth
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78 case (l_iMonth = 0) move "January" to l_sMonth
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79 case (l_iMonth = 1) move "February" to l_sMonth
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80 case (l_iMonth = 2) move "March" to l_sMonth
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81 case (l_iMonth = 3) move "April" to l_sMonth
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82 case (l_iMonth = 4) move "May" to l_sMonth
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83 case (l_iMonth = 5) move "June" to l_sMonth
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84 case (l_iMonth = 6) move "July" to l_sMonth
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85 case (l_iMonth = 7) move "August" to l_sMonth
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86 case (l_iMonth = 8) move "September" to l_sMonth
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87 case (l_iMonth = 9) move "October" to l_sMonth
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88 case (l_iMonth = 10) move "November" to l_sMonth
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89 case (l_iMonth = 11) move "December" to l_sMonth
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92 function_return l_sMonth
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95 // Returns the current day of the month
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96 function get_day_of global date argv returns string
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97 local string l_01tmpStr
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98 local integer l_01tmpInt
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100 move (mid(argv, 2, 1)) to l_01tmpInt
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101 move "th" to l_01tmpStr
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102 if (mid(argv, 1, 1)) ne 1 begin
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103 if (mid(argv, 1, 2)) eq 1 move "st" to l_01tmpStr
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104 if (mid(argv, 1, 2)) eq 2 move "nd" to l_01tmpStr
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105 if (mid(argv, 1, 2)) eq 3 move "rd" to l_01tmpStr
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108 function_return l_01tmpStr
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111 // Returns a string representing the full date e.g. "Friday 31st July 2009"
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112 function fulldate global date argv returns string
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113 local string l_01tmpStr l_02tmpStr
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114 local integer l_01tmpInt l_01arrayindex
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116 move (get_day(argv)) to l_02tmpStr
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117 move (mid(argv, 2, 1)) to l_01tmpInt
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118 move "th" to l_01tmpStr
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119 if (mid(argv, 1, 1)) ne 1 begin
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120 if (mid(argv, 1, 2)) eq 1 move "st" to l_01tmpStr
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121 if (mid(argv, 1, 2)) eq 2 move "nd" to l_01tmpStr
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122 if (mid(argv, 1, 2)) eq 3 move "rd" to l_01tmpStr
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124 append l_02tmpStr " " l_01tmpInt (trim(l_01tmpStr)) " "
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125 move (get_month(argv)) to l_01tmpStr
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126 append l_02tmpStr (trim(l_01tmpStr)) " " (trim(mid(argv, 4, 7)))
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128 function_return l_02tmpStr
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131 // Returns a string representing the date in short form e.g. "31 July 2009"
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132 function shortdate global date argv returns string
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133 local string l_01tmpStr
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135 move "" to l_01tmpStr
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136 append l_01tmpStr (mid(argv,2,1)) " " (get_month(argv)) " " (mid(argv,4,7))
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138 function_return l_01tmpStr
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141 // Returns the current time and or date in different formats
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142 function now global string argv returns string
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143 local string l_01tmpStr l_02tmpStr
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144 local date l_01nowDate
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145 local number l_01nowTime l_02nowTime l_03nowTime l_01nowSecs
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146 sysdate l_01nowDate
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147 calc ((number(strlen))+((number(strmark))/100)) to l_01nowTime
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148 move "" to l_01tmpStr
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149 if ((trim(lowercase(argv))) = "time") append l_01tmpStr (string(decround(l_01nowTime,2)))
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150 if (((trim(lowercase(argv))) = "longtime") or ((trim(lowercase(argv))) = "timestamp")) begin
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151 sysdate l_01nowDate l_01nowTime l_02nowTime l_03nowTime
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152 move "" to l_01tmpStr
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153 if ((trim(lowercase(argv))) = "timestamp") append l_01tmpStr l_01nowDate " "
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154 if (l_01nowTime < 10) append l_01tmpStr 0
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155 append l_01tmpStr l_01nowTime ":"
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156 if (l_02nowTime < 10) append l_01tmpStr 0
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157 append l_01tmpStr l_02nowTime ":"
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158 if (l_03nowTime < 10) append l_01tmpStr 0
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159 append l_01tmpStr l_03nowTime
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161 if ((trim(lowercase(argv))) = "seconds") begin
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162 sysdate l_01nowDate l_01nowTime l_02nowTime l_03nowTime
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163 move (string((l_01nowTime*3600)+(l_02nowTime*60)+l_03nowTime)) to l_01tmpStr
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165 if ((trim(lowercase(argv))) = "date") append l_01tmpStr l_01nowDate
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166 if ((trim(lowercase(argv))) = "shorttimestamp") append l_01tmpStr l_01nowDate "," (string(decround(l_01nowTime,2)))
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167 if ((trim(lowercase(argv))) = "longtimestamp") begin
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168 append l_01tmpStr (fulldate(l_01nowDate)) " at "
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169 if (l_01nowTime > 12) append l_01tmpStr (string(decround(l_01nowTime-12,2))) "PM"
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170 if (l_01nowTime <= 12) append l_01tmpStr (string(decround(l_01nowTime,2))) "AM"
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173 function_return l_01tmpStr
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176 // Return a date and time in the RSS standard format
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177 function rssdate global date argv string argv2 returns string
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178 local string l_01tmpStr
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180 move "" to l_01tmpStr
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181 append l_01tmpStr (left((get_day(argv)),3)) ", " (mid(argv,2,1)) " " (left((get_month(argv)),3)) " " (mid(argv,4,7)) " " (trim(argv2)) " GMT"
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182 move (uppercase(l_01tmpStr)) to l_01tmpStr
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184 function_return l_01tmpStr
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187 // Retuns a date in the format CCYYMMDD
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188 function cymd global date argv returns string
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189 local string l_01tmpStr
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191 move (mid(argv,4,7)) to l_01tmpStr
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192 append l_01tmpStr (mid(argv,2,4)) (mid(argv,2,1))
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194 function_return l_01tmpStr
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197 // Retuns a date in the format CCYY-MM-DD
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198 function sqldate global date argv returns string
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199 local string l_01tmpStr
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200 move "" to l_01tmpStr
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202 if (argv <> "") begin
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203 move (mid(argv,4,7)) to l_01tmpStr
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204 append l_01tmpStr "-" (mid(argv,2,4)) "-" (mid(argv,2,1))
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206 function_return l_01tmpStr
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209 // Retuns a timestamp in the format CCYY-MM-DD HH:mm:SS
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210 function sqltimestamp global date argv integer argv2 integer argv3 integer argv4 returns string
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211 local string l_01tmpStr
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212 move "" to l_01tmpStr
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214 if ((argv <> "") and ((argv2 >= 0) and (argv2 <= 23)) and ((argv3 >= 0) and (argv3 <= 59)) and ((argv4 >= 0) and (argv4 <= 59))) begin
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215 move (mid(argv,4,7)) to l_01tmpStr
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216 append l_01tmpStr "-" (mid(argv,2,4)) "-" (mid(argv,2,1)) " " (zeropad(argv2,2)) ":" (zeropad(argv3,2)) ":" (zeropad(argv4,2))
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219 function_return l_01tmpStr
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222 // Retuns a timestamp in the format DD/MM/CCYY HH:mm:SS
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223 function dftimestamp global date argv integer argv2 integer argv3 integer argv4 returns string
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224 local string l_01tmpStr
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225 move "" to l_01tmpStr
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227 if ((argv <> "") and ((argv2 >= 0) and (argv2 <= 23)) and ((argv3 >= 0) and (argv3 <= 59)) and ((argv4 >= 0) and (argv4 <= 59))) begin
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228 move "" to l_01tmpStr
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229 append l_01tmpStr argv " " (zeropad(argv2,2)) ":" (zeropad(argv3,2)) ":" (zeropad(argv4,2))
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232 function_return l_01tmpStr
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235 // Returns date or time as a string out of a dateTime struct
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236 function sqldatetime global string argv string argv2 returns string
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237 local string l_sResult
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239 move (trim(argv)) to argv
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240 move (trim(uppercase(argv2))) to argv2
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242 if (argv2 = "DATE") begin
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243 move (mid(argv,2,9)) to l_sResult
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244 append l_sResult "/" (mid(argv,2,6)) "/" (mid(argv,4,1))
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246 if (argv2 = "TIME") begin
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247 move (right(argv,12)) to l_sresult
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250 function_return l_sResult
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253 // Returns date or timestamp as a string out of a dateTime struct
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254 function sqltimestampformat global string argv string argv2 returns string
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255 local string l_sResult
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257 move (trim(argv)) to argv
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258 move (trim(uppercase(argv2))) to argv2
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260 if (argv2 = "DATE") begin
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261 move (mid(argv,2,9)) to l_sResult
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262 append l_sResult "/" (mid(argv,2,6)) "/" (mid(argv,4,1))
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264 if (argv2 = "TIME") begin
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265 move (right(argv,length(argv)-pos(" ", argv))) to l_sresult
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268 function_return l_sResult
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271 // Returns last day of month as a date
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272 function last_day_of_month global integer month integer year returns date
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274 if (month = 12) begin
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275 calc (year+1) to year
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279 calc (month+1) to month
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282 move (('01/'+string(month)+'/'+string(year))-1) to l_dDate
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284 function_return l_dDate
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287 // Returns a posix timestamp when supplied with a date and numeric values
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288 // for hour, minutes ,seconds and milliseconds: (date,hr,min,sec,millisec)
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290 // Also see timestamp_to_posix and posix_to_timestamp in timestamp.inc
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291 function posixtime global date argv number argv2 number argv3 number argv4 number argv5 returns number
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292 local number l_posix
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294 // Leap seconds not coded
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295 calc (((integer(argv))-(integer(date("01/01/1970"))))*86400) to l_posix
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296 calc (((((argv2*60)+argv3)*60)+argv4)+(argv5/1000)+l_posix) to l_posix
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298 function_return l_posix
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301 // Returns a comma separated string representing a timestamp (date,hr,min,sec,millisec)
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302 // when supplied with a posix time value.
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303 function posixtime_reverse global number argv returns string
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305 local number l_subt
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306 local integer l_hr l_min l_sec l_msec
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307 local string l_posix_reverse
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309 // Leap seconds not coded
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310 calc ((argv/86400)+(integer(date("01/01/1970")))) to l_date
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311 calc (argv-(((integer(l_date))-(integer(date("01/01/1970"))))*86400)) to l_subt
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312 calc (l_subt/3600) to l_hr
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313 calc ((l_subt-(l_hr*3600))/60) to l_min
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314 calc (l_subt-(((l_hr*60)+l_min)*60)) to l_sec
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315 calc ((l_subt-((((l_hr*60)+l_min)*60)+l_sec))*1000) to l_msec
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317 move l_date to l_posix_reverse
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318 append l_posix_reverse "," l_hr "," l_min "," l_sec "," l_msec
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320 function_return l_posix_reverse
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323 // Returns 0 until the timeout in seconds value passed is exceeded
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324 // when it returns 1.
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326 // Relies on the value of global integer "g_nRuntime_entry";
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327 // the only way to use more than once is to reset that global to 0
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328 // by calling runtime_timeout_reset.
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329 function runtime_timeout global integer argv returns integer
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330 local integer l_iTimeout
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331 local number l_nHour l_nMinute l_nSec l_nRuntime_now
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332 local date l_dToday
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334 sysdate l_dToday l_nHour l_nMinute l_nSec
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335 move 0 to l_iTimeout
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337 if (argv <> 0) begin
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338 if (g_nRuntime_entry = 0) begin
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339 move (posixTime(l_dToday,l_nHour,l_nMinute,l_nSec,0)) to g_nRuntime_entry
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342 move (posixTime(l_dToday,l_nHour,l_nMinute,l_nSec,0)) to l_nRuntime_now
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344 if ((l_nRuntime_now - g_nRuntime_entry) > argv) begin
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345 move 1 to l_iTimeout
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349 function_return l_iTimeout
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352 // Resets the value of global integer "g_nRuntime_entry" as used by
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354 function runtime_timeout_reset global returns integer
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355 move 0 to g_nRuntime_entry
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359 // Returns the time left in seconsd until runtime_timeout is exceeded.
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360 function runtime_timeout_left global returns integer
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361 local number l_nHour l_nMinute l_nSec l_nRuntime_now
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362 local date l_dToday
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364 sysdate l_dToday l_nHour l_nMinute l_nSec
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365 move (posixTime(l_dToday,l_nHour,l_nMinute,l_nSec,0)) to l_nRuntime_now
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367 function_return (l_nRuntime_now - g_nRuntime_entry)
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