forked from rosh/MQL5Book
49 lines
1.8 KiB
MQL5
49 lines
1.8 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| SymbolFilterCurrency.mq5 |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//| Build an array of symbols with specific currencies |
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//+------------------------------------------------------------------+
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#property script_show_inputs
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#include "..\..\Include\SymbolFilter.mqh"
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input bool MarketWatchOnly = true;
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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// instantiate a filter object
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SymbolFilter f;
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// prepare an array for results
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string symbols[];
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// create a filter with condition on base currency and apply it
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f.let(SYMBOL_CURRENCY_BASE, "USD")
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.select(MarketWatchOnly, symbols);
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Print("===== Base is USD =====");
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ArrayPrint(symbols);
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// reset the array
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ArrayResize(symbols, 0);
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// add new condition on profit currency to the filter and apply it
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f.let(SYMBOL_CURRENCY_PROFIT, "USD", IS::NOT_EQUAL)
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.select(MarketWatchOnly, symbols);
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Print("===== Base is USD and Profit is not USD =====");
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ArrayPrint(symbols);
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}
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//+------------------------------------------------------------------+
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/*
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example output:
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===== Base is USD =====
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"USDCHF" "USDJPY" "USDCNH" "USDRUB" "USDCAD" "USDSEK" "SP500m" "Brent"
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===== Base is USD and Profit is not USD =====
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"USDCHF" "USDJPY" "USDCNH" "USDRUB" "USDCAD" "USDSEK"
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*/
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//+------------------------------------------------------------------+
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