| File Name: getWeeklyOHLC.efs
Description: Returns the Weekly OHLC data with the use of callFunction() and may be used with any interval less than weekly.
Formula Parameters: sPriceSource: No Default value. Pass "Open" /"High"/"Low"/"Close" to callFunction()
Notes: Save this formula to /eSignal/Formulas/OHLC/ and use this formula through the callFunction() function from your custom formulas to get the current week's OHLC prices.
Code Example:
function main() { var vData = callFunction("/OHLC/getWeeklyOHLC.efs", "main", "High"); if (vData == null) return; return vData; }
Download File: getWeeklyOHLC.efs

EFS Code:
/*********************************Provided By : eSignal. (c) Copyright 2003*********************************/function preMain() {}/** sPriceSource will be "Open", "High", "Close", or "Low" This formula is for callFunction() calls from an external formula. example: var vData = callFunction("/OHLC/getWeeklyOHLC.efs", "main", "High"); if (vData == null) return; return vData;**/var vSymbol;var vInterval;var msPerDay = 24*60*60*1000;function main(sPriceSource) { if(sPriceSource == null) return; var vBar; var vBarTime; var vAbsTime; var vIndex; var nState = getBarState(); if(nState == BARSTATE_ALLBARS) { vSymbol = getSymbol(); vInterval = getInterval(); vSymbol += ",W"; } if(vInterval == null) return; if(vInterval == "W" || vInterval == "M") return; vBarTime = getValue("time"); if(vBarTime != null) { var vTime = new Date(); vIndex = (Math.round(Math.round((vTime.getTime() - vBarTime.getTime()) / msPerDay) / 7) * -1); if(vIndex != null) { vBar = getValueAbsolute(sPriceSource, vIndex, vSymbol); return vBar; } } return;} |
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